Pre-treatment
Pre-treatment
Covers degreasing, micro-etching, roughening and copper thinning, delivering a uniform, stable copper surface for image transfer and plating.
View Series Details →Doctorate Team, Craftsmanship Spirit.
Founded by a doctorate team with 20+ years of PCB industry expertise.
Dedicated to board chemistry R&D and on-site process support — trusted by 50+ leading PCB customers.
50+ Leading PCB Customers 40+ Patents 20+ Self-developed Products Shanghai · Kunshan · Shenzhen · Thailand · Vietnam
Unifree was founded by 3 PhDs; our core team has 20+ years in the PCB industry. As a Shanghai SRDI (Specialized & Innovative) enterprise and High-tech enterprise focused on PCB electronic chemicals, we master the chemical mechanisms and synthesis processes behind core formulations with 40 proprietary patents.
For over a decade, Unifree chemistries have served 50+ leading PCB customers, helping them optimize supply-chain security and total cost of ownership simultaneously.
Learn MoreUnifree chemistries are production-verified at leading PCB manufacturers, serving customers in communications, automotive electronics, consumer electronics and industrial control.
WUS
TRIPOD
COMPEQ
CHIN POON
PSA
AKM Meadville
KINWONG
GCE* Partial list of Unifree's long-term leading customers; contact us for more customer references.
From pre-treatment to final finishing, Unifree offers five series of board chemicals for every process node and capacity requirement.
Pre-treatment
Covers degreasing, micro-etching, roughening and copper thinning, delivering a uniform, stable copper surface for image transfer and plating.
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Cu & Plating
Full-process solutions covering desmear, electroless copper and electrolytic plating, meeting the needs of high aspect ratio boards, HDI blind vias, via filling and pulse plating.
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Pattern Transfer
Full-process solutions covering developing, etching and stripping, serving fine-line and semi-additive processes.
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Surface Finish
Surface finishing chemistries including ENEPIG, ENIG and OSP, ensuring solderability and long-term storage reliability of pads.
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Ancillary
Defoamers, tank cleaners and water treatment agents that keep production lines running stably and enable green manufacturing.
View Series Details →With R&D strength and localized service at its core, Unifree delivers stable, production-verified electronic chemical solutions for PCB customers.
A research team led by PhDs with deep understanding of PCB processes and electronic chemical mechanisms.
Full-process lean management ensures product consistency and batch-to-batch reliability.
Local teams in Shanghai, Kunshan, Shenzhen, Thailand and Vietnam provide timely on-site technical support.
10+ years serving leading PCB customers; chemistries validated in volume production.
With headquarters in Shanghai and branches, offices and technical bases in Kunshan, Shenzhen, Thailand and Vietnam, we stay close to customer lines for technical service.
Pudong, Shanghai — coordinating R&D, supply chain and customer service.
Kunshan, Jiangsu — close to the East China PCB cluster for on-site service and rapid response.
Shenzhen, Guangdong — covering South China customers.
Rayong, Thailand — serving the localized needs of Southeast Asian PCB manufacturers.
Hanoi, Vietnam — localized technical support and rapid response.
Quick answers about Unifree's products, services and contact channels — also structured for search engines and AI assistants.
Contact the Unifree technical team for targeted answers and solution recommendations.
Contact UsLatest progress in R&D, service and industry exchange.
On May 9, 2026, Unifree organized a two-day training and team-building event in ...
Read More →On March 24, 2026, the 3-day China International Electronic Circuits Exhibition ...
Read More →On March 5, 2026, Unifree technical experts traveled to Thailand to conduct face...
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