The heavy load casting body is designed as: Heavy load, long travel, low oil consumption and low noise.

Air cylinder: Made from high quality cast with best strength and lubrication. The inner wall has been fine bored and grinded for wear proof and durability.

Inlet and outlet valves are made from special steel imported from Sweden through punching and pressing and featured as high strength, good tenacity, impact resistance, and elasticity.

The pistons are made by Japanese automobile companies, festured as goood elasticity, excellent wear proof, low oil consumption. It is not easy to have the valve set built up with carbon and the crankshaft and the link burnt due to lost oil.

The crandshaft, link and piston made by patent formula are of good balance, wear proof, high strength and smooth and balanced travel.