Automotive parts Castings * Die castings * Investment castings * Sand castings Forgings Hydraulic components Hydraulic fittings Hydraulic hose and tube Machining Sheet metalworking Stampings Locks Add:Suite1106, He Bang Building, #933 North Tian Tong Road, Ningbo, China. Triolym Industries is an incorporation manufacturer focus on automotive parts, hydraulic and pneumatic components, other mechanical industrial parts and assemblies by casting, forging, stamping, machining, sheet metal-working, plastic injection processes. The material commonly used includes carbon steel, alloy steel, stainless steel, aluminum alloy, zinc alloy, copper and alloy like brass and bronze. For castings we follow material standard like ASTM, DIN, BS, JIS, etc. For hydraulic fittings, adapters, and quick couplings, we adhere to JIC, SAE, DIN, BSP, JIS and ISO standards.