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 brand

     products such as Engine Repair Agent/Revitalizant, Carbon Composition Detergent,Anhydrous Cooling Oil and so on.

KOPOHA serial maintenance products came from Soviet Union's absolute secret top products used for military facilities such as engine revitalizant,airplane and vessel to maintain their due combat effectiveness under bad environment. In 1996, this technology began to be used for civilian fields in auto and vessel internal combustion to enhance power,save oil and improve environment protection with patents in over 10 countries in Europe, America and Asia. 

     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.

     Since 2006, Wangguan has been adhering to the principle of promoting KOPOHA brand by good quality, harvesting more market proportion by quick marketing, and keeping the consumers sincerity by heartfelt service. KOPOHA is nationally spread in around 30 China areas esp. in some big  provinces including Guangdong, Guangxi, Zhejiang, Henan, Sichuan, Shandong, Chongqing, Hubei, Guizhou, Xingjiang etc..

     By right of KOPOHAs excellent product performance and nice brand service,Wangguan establishes co-operation with so many auto brands 4S stores,which is the reflect of satisfaction degree and the biggest encouragement for KOPOHA from these many clients.