In March 1993, Mr. Zhenzhong Chai (Chairman of the Board) founded Yoky Industrial & Trading Co. Ltd in Guangzhou, China, and has pioneered the development of a new generation of filters (or called " Yoky filters ") using ultra high molecular weight composite material. In April of 1995 after more than two years of intensive R & D efforts, the Company successfully launched the first family of Yoky auto filters which passed the standard tests by China State Automobile Quality Supervision, Inspection and Testing Center. According to the standard test results, Yoky filters have a minimum filtrati
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