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Harbin Sanyong Metal Surface Technology Co., Ltd. was established in 1994 and has long been engaged in the contract processing of metal conversion coatings. In 2011, it founded a wholly owned subsidiary, Sanyong Gongda Technology Co., Ltd., which focuses on developing and marketing customer‑specific solutions and metal surface‑treatment technologies (including additives). Today, Sanyong is a director unit of the China Surface Engineering Association, a director unit of the Metal Conversion Coatings Branch of the China Surface Engineering Association, and the chairperson unit of the Harbin Metal Conversion Coatings Association. The company has obtained dual quality‑assurance certifications under the national military standard GJB 9001C and ISO 9001, and is among the first batch of enterprises nationwide to be approved for a Pollution Discharge Permit.
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