Products

Suppliers
Filter Gallery
154,971

Professional Pcb

Products
Multilayer Pcb Flexible Pcb Rigid Flex Pcb Printed Circuit Board Pcb Led Pcb Power Board Pcb

Sorry! No matches were found.

Professional Design Service Panel Light PCB with Aluminum Board Manufacturer

Professional Design Service Panel Light PCB with Aluminum Board Manufacturer

US $ 0.29-1.99 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCB Board, PCBA, PCB Assembly, Parts and Components, Metal Based PCB Board, Aluminum PCB, Fr4 PCB, Printed Circuit Board, Circuit Board
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzexin Electronic (Hongkong) Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Professional PCB Board Manufacturer (1-36 layers) with Competitive Price

Professional PCB Board Manufacturer (1-36 layers) with Competitive Price

US $ 0.08-0.1 / PCS FOB
1 PCS (MOQ)
More
Flame Retardant Properties : V0
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Ucreate PCB Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2016
Chat Now Send Inquiry
Professional PCB Factory Fr4 Rigid Circuit Board Double-Sided Multilayer PCB

Professional PCB Factory Fr4 Rigid Circuit Board Double-Sided Multilayer PCB

US $ 0.1-2.7 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, Printed Circuit Board, Multilayer PCB, Bare PCB, Fr4 Circuit Board, Electronic Circuit Board, Multilayer Printed Circuit Board, Bare Circuit Board, Single Layer PCB, Double Sided PCB
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Jian Unice Pcb Technique Co., Ltd

Manufacturer/Factory

Jiangxi, China Since 2023
Chat Now Send Inquiry
Universal Electronic Circuit Breadboard Prototyping SMT Professional PCB

Universal Electronic Circuit Breadboard Prototyping SMT Professional PCB

US $ 0.6-12 / Piece FOB
1 Piece (MOQ)
More
Flame Retardant Properties : V2
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen New Chip international Ltd

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Kunshan 6 Layer Impedance Circuit Board China Factory Electronic Components Motherboard PCB Professional Aluminium Core PCB Manufacturer OEM PCB

Kunshan 6 Layer Impedance Circuit Board China Factory Electronic Components Motherboard PCB Professional Aluminium Core PCB Manufacturer OEM PCB

US $ 1.2-2.5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: PCB, PCBA, PCB Board, Printed Circuit Board, Aluminum Substrate Circuit Board, Double Layer PCB, Multi Layer PCB, PCB Copy, PCBA Copy, Flex and Rigid-Flex Circuits
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Kunshan Huaruika Electronics Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
Professional Consumer Electronics Printed Circuit Board Multilayer PCB

Professional Consumer Electronics Printed Circuit Board Multilayer PCB

US $ 5-20 / pcs FOB
1 pcs (MOQ)
More
Base Material : Copper
Contact Supplier
Audited Supplier Audited Supplier Since 2016
Shenzhen STHL Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2016
Chat Now Send Inquiry
Professional One-Stop Turnkey OEM Factory for PCB Manufacturing

Professional One-Stop Turnkey OEM Factory for PCB Manufacturing

US $ 0.03-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, IC
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen New Chip international Ltd

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
China PCBA Factory Professional One Stop Turnkey Service PCB Board

China PCBA Factory Professional One Stop Turnkey Service PCB Board

US $ 0.5-9.9 / Piece FOB
1 Piece (MOQ)
More
Metal Coating : Gold
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Xinqiming Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Car Light Circuit Board Aluminum Substrate Aluminium Core PCB OEM Motherboard Circuit-Board Professional Manufacturer Arduino Uno Printed Circuit Board PCB

Car Light Circuit Board Aluminum Substrate Aluminium Core PCB OEM Motherboard Circuit-Board Professional Manufacturer Arduino Uno Printed Circuit Board PCB

US $ 4.3-6.5 / Piece FOB
100 Pieces (MOQ)
More
Main Products: PCB, PCBA, PCB Board, Printed Circuit Board, Aluminum Substrate Circuit Board, Double Layer PCB, Multi Layer PCB, PCB Copy, PCBA Copy, Flex and Rigid-Flex Circuits
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Kunshan Huaruika Electronics Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Jiangsu, China Since 2024
Chat Now Send Inquiry
Professional UHD 4K Endoscopy Camera PCB Module

Professional UHD 4K Endoscopy Camera PCB Module

US $ 1,200-2,300 / Set FOB
1 Set (MOQ)
More
Certification : CE, EEC, ISO13485
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen New Concept Med Tec Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
BGA Multilayer PCB PCBA Prototyping, Professional PCB Board Manufacturer

BGA Multilayer PCB PCBA Prototyping, Professional PCB Board Manufacturer

US $ 0.5-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Printed Circuit Board, Rigid-PCB, PCBA, Electronics Parts, PCB Circuit, Circuit-Board, PCB, Aluminium Core PCB, OEM Motherboard, PCB Board
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Usun Electronics Limited.,

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2023
Chat Now Send Inquiry
Quality Quarantee Professional Custom Electronic PCB Board PCB for Induction Cook

Quality Quarantee Professional Custom Electronic PCB Board PCB for Induction Cook

US $ 4-5 / Piece FOB
1 Piece (MOQ)
More
Dielectric : FR-4
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Jingxin Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2022
Chat Now Send Inquiry
PCBA Multilayer PCB LED Strip Light Double-Sided PCB Rigid PCB Single-Sided PCB
PCB Print Circuit Board with 18 Years Professional PCB Fabrication Experience PCB Factory

PCB Print Circuit Board with 18 Years Professional PCB Fabrication Experience PCB Factory

US $ 7.8-8.6 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, SMT, PCBA, Printed Circuit Board, FPC, Multilayer Circuit Board, Rigid-Flex PCB, Flexible Printed Circuit, Double-Sided Circuit Board, Rigid Circuit Board
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Jiehao Future Technology Co., Ltd

Guangdong, China Since 2024
Chat Now Send Inquiry
Professional PCB Factory Support Multilayer PCB Design and Electrical Testing with 13485 Certificate

Professional PCB Factory Support Multilayer PCB Design and Electrical Testing with 13485 Certificate

US $ 0.9-2.6 / Piece FOB
1 Piece (MOQ)
More
Dielectric : FR-4
Contact Supplier
Audited Supplier Audited Supplier Since 2023
JS Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
PCBA Board Manufacturer Professional Assembly Design Service PCBA Circuit Board Multilayer PCB

PCBA Board Manufacturer Professional Assembly Design Service PCBA Circuit Board Multilayer PCB

US $ 0.68-10.8 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, LED Grow Light, PCB Design, Industrial Control, Smart Home, Communications Equipment, Medical Hairdressing, Multilayer PCB
Contact Supplier
Since 2020
China Dragon Electronic Industrial Co., Limited

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
Professional Customized Metal PCB Gold Multilayer PCB Circuit Board Factory with Provided Gerber Files

Professional Customized Metal PCB Gold Multilayer PCB Circuit Board Factory with Provided Gerber Files

US $ 0.1-1.1 / Piece FOB
1 Piece (MOQ)
More
Base Material : FR-4
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yongchangtai Electronics Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
PCBA Assembling Service Professional Electronic Circuit Board PCB Factory in Shenzhen

PCBA Assembling Service Professional Electronic Circuit Board PCB Factory in Shenzhen

US $ 1-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: IC, Resistor, Capacitor, Sensor, Transistor, Diode, Triode, Passive Components, Drive IC, PCBA
Contact Supplier
Audited Supplier Audited Supplier Since 2021
ShenZhen Nova Semiconductor Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2021
Chat Now Send Inquiry
Professional Microwave RF PCB Circuit Design and PCB Manufacturing

Professional Microwave RF PCB Circuit Design and PCB Manufacturing

US $ 0.19-1.99 / Piece FOB
1 Piece (MOQ)
More
Processing Technology : Electrolytic Foil
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Canm Technology Co.,Ltd

Manufacturer/Factory

Guangdong, China Since 2019
Chat Now Send Inquiry
Professional 15years PCB Manufacturer High Tg HDI PCB, 8L (2+4+2) Circuit Board PCB

Professional 15years PCB Manufacturer High Tg HDI PCB, 8L (2+4+2) Circuit Board PCB

US $ 0.71-0.9 / Piece FOB
1 Piece (MOQ)
More
Main Products: Print Circuit Board, Aluminum PCB, Flexible PCB, Rigid PCB, PCB Prototype, PCB Assembly, PCB Board, LED PCB, Circuit Board, PCB
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Fastline Circuits Co., Limited

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Professional Manufacturer with UL Custom Double Sided Circuit Boards PCB Haizhanni

Professional Manufacturer with UL Custom Double Sided Circuit Boards PCB Haizhanni

US $ 0.1-10 / Piece FOB
10 Pieces (MOQ)
More
Type : Rigid Circuit Board
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Zhejiang Haizhanni Electronic Circuit Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Professional Design Service Panel Light PCB with Aluminum Board Manufacturer
    What is Professional Design Service Panel Light PCB with Aluminum Board Manufacturer
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Professional PCB Board Manufacturer (1-36 layers) with Competitive Price
    What is Professional PCB Board Manufacturer (1-36 layers) with Competitive Price
    Negotiable
    1 PCS (MOQ)
    Contact Supplier
  • What is Professional PCB Factory Fr4 Rigid Circuit Board Double-Sided Multilayer PCB
    What is Professional PCB Factory Fr4 Rigid Circuit Board Double-Sided Multilayer PCB
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
  • What is Universal Electronic Circuit Breadboard Prototyping SMT Professional PCB
    What is Universal Electronic Circuit Breadboard Prototyping SMT Professional PCB
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Professional Custom Electronic DC Ceiling Fan PCB

Professional Custom Electronic DC Ceiling Fan PCB

US $ 1.7-2 / Piece FOB
2,000 Pieces (MOQ)
More
Main Products: Motor Controller, Light Remote Control, Fan Lamp Remote Control, Ceiling Fan, Fan Motor, Ceiling Fan with Light, DC Ceiling Fan, DC Motor
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Guangdong Shunde Sankey Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Customized PCB Circuit Board Components Supply Professional PCB Board and PCB Assembly Fr4

Customized PCB Circuit Board Components Supply Professional PCB Board and PCB Assembly Fr4

US $ 4-4.5 / Piece FOB
10 Pieces (MOQ)
More
Material : Paper Phenolic Copper Foil Substrate
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Hangzhou Qingchuan Technology Co., Ltd.

Manufacturer/Factory

Zhejiang, China Since 2024
Chat Now Send Inquiry
Professional Custom PCBA Manufacturer Electronic Board Assembly Programmable PCB Assembly

Professional Custom PCBA Manufacturer Electronic Board Assembly Programmable PCB Assembly

US $ 1-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Transistor, Diode, Triode, LED Diode, Schottky Diode, Mosfet, Electronic Components, IC, Integrated Circuit, IC Chips
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Hongjilong Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
High Quality ODM OEM Professional Factory PCB Over Molding with Epoxy Resin

High Quality ODM OEM Professional Factory PCB Over Molding with Epoxy Resin

US $ 0.15-2.15 / Piece FOB
1,000 Pieces (MOQ)
More
Type : Car Switch
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Kunshan Golden Light Electronic Technology Co., Ltd.

Manufacturer/Factory

Jiangsu, China Since 2020
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

China Professional OEM Manufacturer PCB for Motor Sensor with Superior Quality and Competitive Offers

China Professional OEM Manufacturer PCB for Motor Sensor with Superior Quality and Competitive Offers

US $ 4-5 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, Print Circuit Board, Flexible Circuit Board, Rigid PCB Assembly, PCB Assembly, Circuit Board, FPC, HDI PCB
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Jingxin Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2022
Chat Now Send Inquiry
Thick Copper PCB 100oz Professional PCBA Service for Agricultural Automation Equipment Manufacturers Lights-Lighting PCB DC-Motor PCB

Thick Copper PCB 100oz Professional PCBA Service for Agricultural Automation Equipment Manufacturers Lights-Lighting PCB DC-Motor PCB

US $ 7.8-8.6 / Piece FOB
1 Piece (MOQ)
More
Metal Coating : Copper
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Jiehao Future Technology Co., Ltd

Guangdong, China Since 2024
Chat Now Send Inquiry
Custom Flexible PCB with Fast MP Delivery Service by Flex Plus Professional FPC Fabrication

Custom Flexible PCB with Fast MP Delivery Service by Flex Plus Professional FPC Fabrication

US $ 0.08-10 / Piece FOB
1 Piece (MOQ)
More
Main Products: Flexible PCB, HDI FPC, Rigid Flex PCB, FFC/FPC Connector, LED Strip Flex Pcbs, Automotive Flex Circuit Board, Dual-Access FPC, TPU Printed Circuits, SMT SMD, PCBA
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Flex Plus(Xiamen) Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
Hot Sale Professional PCB Board Assembly BGA PCB&PCBA Factory

Hot Sale Professional PCB Board Assembly BGA PCB&PCBA Factory

US $ 0.5-10 / Piece FOB
1 Piece (MOQ)
More
Dielectric : FR-4
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Usun Electronics Limited.,

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2023
Chat Now Send Inquiry
PCB Circuit Boards Assembly Customized Amplificador Power Amplifier Professional PCB PCBA Board

PCB Circuit Boards Assembly Customized Amplificador Power Amplifier Professional PCB PCBA Board

US $ 0.68-10.8 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, LED Grow Light, PCB Design, Industrial Control, Smart Home, Communications Equipment, Medical Hairdressing, Multilayer PCB
Contact Supplier
Since 2020
China Dragon Electronic Industrial Co., Limited

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
China Professional Rigid-Flex Aluminum PCB Manufacturer for LED Products

China Professional Rigid-Flex Aluminum PCB Manufacturer for LED Products

US $ 0.29-0.99 / Piece FOB
1 Piece (MOQ)
More
Layers : Multilayer
Contact Supplier
Audited Supplier Audited Supplier Since 2019
Canm Technology Co.,Ltd

Manufacturer/Factory

Guangdong, China Since 2019
Chat Now Send Inquiry
Professional Consumer Electronics Printed Circuit Board Multilayer PCB

Professional Consumer Electronics Printed Circuit Board Multilayer PCB

US $ 1-5 / Piece FOB
1 Piece (MOQ)
More
Main Products: N/a
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Yongchangtai Electronics Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
Shenzhen Professional Alu LED Lighting Metal Core PCB Manufacturer PCB

Shenzhen Professional Alu LED Lighting Metal Core PCB Manufacturer PCB

US $ 0.65-10.69 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2013
Fastline Circuits Co., Limited

Manufacturer/Factory

Guangdong, China Since 2013
Chat Now Send Inquiry
Professional Custom BLDC Ceiling Fan PCB with DC Wire

Professional Custom BLDC Ceiling Fan PCB with DC Wire

US $ 2.1-2.5 / Piece FOB
3,000 Pieces (MOQ)
More
Main Products: Motor Controller, Light Remote Control, Fan Lamp Remote Control, Ceiling Fan, Fan Motor, Ceiling Fan with Light, DC Ceiling Fan, DC Motor
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Guangdong Shunde Sankey Electronic Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
20 Years Manufacturing Circuit Board 4 Layers PCB Board Manufacturer Professional PCB Manufacturer

20 Years Manufacturing Circuit Board 4 Layers PCB Board Manufacturer Professional PCB Manufacturer

US $ 0.25-1 / Piece FOB
1 Piece (MOQ)
More
Type : Rigid Circuit Board
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Jingxin Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2022
Chat Now Send Inquiry
Mobile Phone Motherboard High Frequency Professional Manufacturer Rogers PCB RO4350b with ISO/UL

Mobile Phone Motherboard High Frequency Professional Manufacturer Rogers PCB RO4350b with ISO/UL

US $ 0.09-0.8 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, SMT, PCBA, Printed Circuit Board, FPC, Multilayer Circuit Board, Rigid-Flex PCB, Flexible Printed Circuit, Double-Sided Circuit Board, Rigid Circuit Board
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Shenzhen Jiehao Future Technology Co., Ltd

Guangdong, China Since 2024
Chat Now Send Inquiry
Professional Ultrasound Machine PCB Assembly Factory

Professional Ultrasound Machine PCB Assembly Factory

US $ 0.3-1 / Piece FOB
1 Piece (MOQ)
More
Condition : Used
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Shenzhen Grandtop Electronics Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Assembly Fr4 94V-0 PCB Manufacture One Stop PCB Circuit Board Fabrication PCB Professional Production Process

Assembly Fr4 94V-0 PCB Manufacture One Stop PCB Circuit Board Fabrication PCB Professional Production Process

US $ 0.68-10.8 / Piece FOB
1 Piece (MOQ)
More
Main Products: PCB, PCBA, LED Grow Light, PCB Design, Industrial Control, Smart Home, Communications Equipment, Medical Hairdressing, Multilayer PCB
Contact Supplier
Since 2020
China Dragon Electronic Industrial Co., Limited

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
Multilayer Pcb Flexible Pcb Rigid Flex Pcb Printed Circuit Board Pcb Led Pcb Power Board Pcb
View More

Related Searches

Printed Circuit Board Electronic Assembly PCB Pcb Circuit Led Pcb PCB Board PCBA Pcb Board Assembly Multilayer PCB Wholesale Professional Pcb

Browse by Categories

Home > Electrical & Electronics > Circuit Board > PCBA
1/834
TOP

Search Filter

Categories

More Less
  • PCBA
  • Multilayer PCB
  • LED Strip Light
  • Double-Sided PCB
  • Rigid PCB
  • Single-Sided PCB
  • FPC
  • Rigid-Flex PCB
  • Other Circuit Board
  • LED Bulb Light

Dielectric

More Less
  • FR-4
  • FR-6
  • CEM-3
  • CEM-1
  • CEM-4
  • SIC
  • FR-3
  • AIN

Flame Retardant Properties

More Less
  • V0
  • V1
  • V2
  • HB

Mechanical Rigid

More Less
  • Rigid
  • Fexible

Processing Technology

More Less
  • Electrolytic Foil
  • Delay Pressure Foil

Type

More Less
  • Rigid Circuit Board
  • Combining Rigid Circuit Board
  • Flexible Circuit Board

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Other

Company Location

More Less
  • Guangdong
  • Zhejiang
  • Jiangsu
  • Shandong
  • Hunan
  • Shanghai
  • Hubei
  • Fujian
  • Jiangxi
  • Shaanxi
  • Anhui
  • Beijing
  • Chongqing
  • Henan
  • Sichuan
  • Hebei
  • Liaoning
  • Inner Mongolia
  • Tianjin
  • Yunnan
  • Gansu
  • Hongkong S.A.R.
  • Shanxi
  • Jilin
  • Hainan
  • Guangxi
  • Ningxia
Reset Done