The overseas business company of Saketron Electronics, delivering PCBA OEM and optoelectronic packaging to customers worldwide since 2009.
Shenzhen Sunwin Electronics Technology Co., Ltd. (Sunwin) is the overseas business company of Shenzhen Saketron Electronics Technology Co., Ltd. Saketron is Sunwin's shareholder and its manufacturing base: established in 2009, with an 8,000+ m² four-floor facility, 21 high-precision SMT lines and more than 300 employees, about 100 of them in engineering and technical roles.
Sunwin provides OEM manufacturing — not product design — for three product lines: optical communication PCBA and device packaging, wireless communication PCBA, and custom module PCBA. Optical communication is our main focus, covering optical transceiver PCBAs from 10G to 1.6T and hermetic MEMS TO and butterfly BOX device packaging.
The manufacturing base is a National High-Tech Enterprise and a Specialized and Sophisticated SME, listed among Shenzhen's 2026 Advanced-Level Smart Factories. It holds ISO 9001, ISO 14001, IATF 16949 and QC 080000 (HSPM) certifications and serves more than 50 optical communication customers, including over ten listed companies.
From equipment configuration to quality systems, Sunwin is fully equipped to take on high-precision, modular product manufacturing — see our workshop, certifications and quality management system.
Contact us for factory qualification documents and capacity scheduling information.
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