Company Profile
Xintonglian Circuit Co., Ltd. was established in 2015 and is headquartered on the 8th Floor, Block B, Building 6, Zhonggang Plaza, Convention Bay, next to the Shenzhen World Exhibition & Convention Center in Fuyong, Bao’an District, Shenzhen.
The company currently operates several branches, including Jiangxi Ji’an Xintonglian Circuit and Shenzhen Tonglian Circuit. Jiangxi Ji’an Xintonglian Circuit is located in Suichuan County, Ji’an City, Jiangxi Province, with a total investment of RMB 600 million. The factory covers an area of approximately 30,000 square meters and has more than 500 employees, including over 100 professionals with more than 10 years of industry experience. Jiangxi Ji’an Xintonglian Circuit mainly focuses on mass production of double-sided and multilayer FR4 boards, with a total production capacity of 60,000 square meters per month.
Shenzhen Tonglian Circuit was established in 2006. It specializes in the production of small- and medium-batch high-precision through-hole FR4 single-sided PCBs, double-sided circuit boards, multilayer circuit boards, LED aluminum-based boards, FPC flexible circuit boards, and rigid-flex circuit boards. The delivery time for batch orders of double-sided boards is 6–7 days, while the delivery time for 4–8 layer boards is 8–12 days, making it a professional PCB manufacturer with fast turnaround capability for mass production. Its total production capacity is approximately 30,000 square meters per month.
Since 2006, the company has obtained certifications including ISO9001, TS16949, ISO14001, SGS, CQC, and UL. Upholding the mission of “providing faster and more efficient services for the continuous innovation of electronic technology,” the company is committed to delivering reliable PCB manufacturing solutions to customers.
Our products are widely used in computers, telecommunications, LCD modules, communication equipment, instruments and meters, industrial power supplies, digital products, security systems, medical electronics, industrial control equipment, power and energy, consumer electronics, transportation, education, scientific research, and development fields.
Our Case
Industry: IoT Smart Home
Project: 4-layer FR4 PCB prototype & mass production
Challenge: Long lead time & high cost in Europe; Gerber layout risks
Solution: Free DFM review, stack-up optimization, 7-day delivery, RoHS compliance
Result: First sample pass. Client cut hardware cost by 15%. Long-term repeat orders + PCBA service
Industry: Factory Automation
Project: 2/4-layer FR4 PCB, multi-model small batches
Challenge: Many SKUs & low quantity per batch
Solution: Panelization, flexible production, RoHS
Result: Stable repeat orders, ideal for SEA automation projects
Industry: Residential Energy Storage
Project: 6-layer PCB & aluminum substrate
Challenge: High reliability requirement, full UL, REACH & RoHS documentation
Solution: Material certification, aging test, thermal & high-voltage control
Result: Approved samples, monthly bulk orders with good profit margin
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Industry: Power / Smart Meter
Project: 2-layer heavy copper PCB for outdoor application
Challenge: Factory audit required, strict traceability & insulation
Solution: Full test reports, on-site audit support
Result: Audit passed, first order 5,000 pcs with follow-up shipments
Industry: LED Lighting Driver
Project: Large volume 2-layer FR4 PCB
Challenge: Aggressive price pressure, low profit
Solution: Clear specification & quality expectation
Result: Large order but thin margin; we guide client to higher-value boards
Corporate Culture
