Since 2006, Wangguan company has dedicated in R&D and producingautomobile revitalizant and maintenance supplies and got the sole authorization of globally famous automobile maintenance supplies brand“KOPOHA”. Nowadays, Wangguan has a serial KOPOHA brandproducts such as Engine Repair Agent/Revitalizant, Carbon Composition Detergent, Anhydrous Cooling Oil and so on.

Wangguan has complete quality controlling system including ISO9001:2008,ISO 14001:2004 certificate. KOPOHA products get the title of National AAA Grade Quality & Credit Example Enterprise, and are approved with certificate by China Association of Automobile Supplies Industry,National Quality Supervising & Testing Center of Automobile Parts Supplies, China Auto Parts Supplies Market Association, Machine Industry Auto Parts Supplies Quality Supervising & Testing Center.

KOPOHA auto maintenance supplies has unique patent prescription. Product ranges from auto lubricant system,fuel oil system,transmitting system,turning system,cooling system,air-conditioner system and braking system etc.. KOPOHA serial products are certified and recommended to use by many famous organizations and auto manufactories.