Founded in 1920, China National Petroleum Corporation (CNPC) Jichai Power Company Limited (JCPC) is the only internal-combustion engine manufacturing enterprise affiliated to China National Petroleum Corporation(CNPC). Having successfully developed the first 15-horsepower diesel engine in 1932, it became the earliest enterprise in China to independently develop and manufacture engines.

Today they are one of the world’s largest drilling power service provider and also the main manufacturer of off-highway medium & large powered engines in China. Their products are widely used in oil and gas exploration, power stations, construction machinery, marine propulsion, locomotives and many other industries in China and around the world.

Wiedson Engineering is an exclusive distributor for CNPC JCPC engines in Indonesia.

Hangzhou Advance Gearbox Group Co., Ltd. specializes in designing and manufacturing transmissions and powder metallurgical products, and is the leading manufacturer of marine transmissions in China.

Hangzhou Gearbox Works was originally founded in 1960. The Company was restructured into a liability limited company with diversified state shares in 2001 and in 2008 the Company was restructured into a joint-stock limited company. The Company has been listed on Shanghai Stock Exchange since October 2010. ADVANCE products are widely used in shipbuilding, engineering machinery, wind power, automotive, agricultural engineering, rail transit, special purposed industries and etc.

We are exclusive distributors for ADVANCE transmissions in Indonesia, Thailand and Myanmar.

WECO and NPC are Wiedson’s own brands of diesel engines, spare parts, alternators, heat exchangers, marine remote control levers and cables and so on. The brands are synonymous with quality and this is reflected by their market positioning. Distributed via an extensive dealer network, these brands can be found throughout Indonesia and Southeast Asia, serving the needs of users in industrial and marine applications.