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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".