Changshu Shanghuang Machinery Co., Ltd., formerly known as Changshu Lost Wax Casting Factory established in 1975, specializes in the production of precision casting parts using lost wax investment molding technology. With exquisite skills, it is a master in this field. In 2010, Jiangsu Hanover Casting Co., Ltd. was established in Xinghua City, Jiangsu Province. With an excellent management team, sound corporate systems, and high-level product development capabilities, it has passed the authoritative certification of ISO9001:2015 international quality system, ISO14000:2015 environmental management system, and IATF16949:2016 automotive quality system. We continuously introduce advanced casting equipment from abroad, using silica sol casting technology and production lines. The main parts produced involve construction hardware doors and windows spare parts, automotive and warranty spare parts, textile machinery spare parts, agricultural machinery spare parts, and medical equipment spare parts; The materials of the product include precision castings such as ordinary carbon steel, low-alloy steel, alloy steel, stainless steel, tool steel, heat-resistant steel, wear-resistant steel, gray iron, ductile iron, copper alloy, and aluminum alloy. Striving for excellence and meticulous craftsmanship, we have opened our doors and exported to international markets such as Europe, America, Japan, and South Korea. We have powerful and complete testing methods and equipment, such as universal testing machines, pendulum impact testing machines, Blowe optical hardness testers, metallographic microscopes, carbon sulfur analyzers, projectors, coordinate measuring instruments, magnetic particle flaw detectors, etc. Especially the spectral analyzer imported from Germany, as a material analysis and testing equipment in front of the furnace, greatly ensures the accuracy of the chemical composition of the product.