In 1993: Mr. Zhenzhong Chai, Chairman of the Board, founded Yoky Industrial & Trading Co., Ltd in Guangzhou, China.

In 1995: Shenzhen Yoky Industry Co., Ltd was founded.

In 1995: Successfully developed Yoky Filter brand by using ultra high molecular weight composite material.

In 1997-1998: Finished developing new type ultra high molecular weight composite material, and owned three patents.

In 1999: Jointly invested and founded Sino-Japan joint venture- Shenzhen Yoky Filters Co., Ltd with Japan Union Venture Fund.

In 2001: Passed QS9000/ISO9001 Quality systemic audit and authentication, and attained US ANSI-RAB and Germany DAR certificate.

In 2002: Passed Technology and Product Certificate of the biggest automotive purchasing company in America, and formally became its products’ supplier.

In 2004: Passed Technology and Product Certificate of a British Centerary automotive enterprise, and formally became its OEM supplier.

In 2005: Passed Technology and Product certificate of an American biggest motorcycle manufacture company, and formally became its OEM supplier.

In 2006: Passed Technology and Product certificate of an American professional automotive manufacture company, and formally became its product supplier.

In 2007: Passed ISO/TS16949 quality system certificate authenticated by BSI.

In 2008: Passed Technology and Product certificate of a France well-known automotive manufacture company, and formally became its OEM supplier.