Anhui Hongsheng Automatic Control Technology Co., Ltd. is a wholly‑owned modern precision‑casting production base of Zhejiang Yongsheng Technology Co., Ltd. Built as a 60‑mu smart factory with total investment of hundreds of millions RMB, it focuses on two core processes: silica‑sol precision casting and resin‑sand casting, and specializes in manufacturing diverse high‑grade pressure‑bearing alloy castings. Boasting top‑tier manufacturing capacity in the industry, it is equipped with fully‑automatic robot shell‑making lines, multiple intermediate‑frequency melting furnaces, fully‑automatic sand‑processing systems and complete post‑treatment production lines. Its solid annual capacity reaches 3,500 tons of precision castings and 6,000 tons of sand‑mold castings. Product scope covers instrument castings, auto parts, new‑energy equipment components, mechanical parts, water‑treatment fittings and special‑application castings.

Adopting advanced pure silica‑sol investment casting technology for castings ranging from 0.1 kg to 200 kg in single‑piece weight with diverse structures. Complete precision‑casting production lines are available: double‑station wax injector, four‑station wax injection machine, intermediate‑frequency melting furnaces, calcining furnaces, car‑type resistance furnaces for heat treatment, eco‑friendly pickling & passivation lines, cutting & grinding machines, hanging and belt‑type shot‑blasting machines, self‑dust‑extraction grinding workbenches.

Adopting advanced alkaline phenolic resin‑sand process for castings up to 3000 kg per piece with various configurations. Complete facilities are deployed for production and post‑treatment: fully‑automatic double‑arm continuous sand mixer, 3‑ton & 1.5‑ton intermediate‑frequency induction furnaces, fully‑automatic sand‑processing system; tilting resistance furnaces for heat treatment, eco‑friendly pickling & passivation lines, cutting machines, grinding machines and hanging shot‑blasting machines.