Henan sigma technology co., ltd. is mainly engaged in all kinds of connectors, charging products series, high-voltage wire harness series products, and it is also a high-tech intelligent manufacturing enterprise of core components in new energy electric vehicles integrating R&D, production and sales.There are more than 30 engineers in R&D. and we have passed ISO9000 quality management system certification, ISO14001 environmental management system certification, international railway industry IRIS certification, ISO/ TS16949:2009 auto parts production system certification. All products have been obtained TUV, CE, UL, CQC certification.Currently Sigma's products are mainly sold to Mercedes-Benz, Dongfeng, SAIC, BYD, DPCA, Citroen, Xiaopeng, Geely ,Chery, KingLong. Sigma Develops Europe, America, Middle East, Oceania and Southeast Asia market to offer products for potential customers. In addition to cooperating with domestic customers, the company is also exported to Europe, America, Middle East, Oceania and Southeast Asia, etc.Adhering to the mission of "New Energy Makes Society Better" and the principle of "customer first", we provide excellent products and considerate services for customers in new energy vehicles. Sincerely cooperate with upstream& downstream enterprises, joint development for a rapid development for the world's new energy electric vehicles together, to achieve our dream of "Where is EV, there is Sigma".Advantage:1. Established in 2016, nearly 10,000 square meters of plant area2. More than 30 engineers in R&D, mostly come from C919 large aircraft and Boeing Aerospace connector R&D team and high-speed railway with car electronic connection system team.3. Top 3 of China's new energy charging devices4. Top 8 of China's high-voltage connection system for new energy vehicle core components 5. Main clients with Mercedes-Benz, Citroen, BYD, Dongfeng, SAIC, KingLong, Xiaopeng ,Geely.6. 20 production lines guarantee fast delivery7. 300,000 sets of charging device of Annual production capacity8. Product certification with CE, TUV, CQC9.qualified by ISO9000, ISO14001, IRIS, ISO/TSI16949:200910, frequently cooperate with University scientific research institution