Casting
Since its inception, Prostain Industrial Co., Ltd.'s production department has focused on the production of pumps and valve components, and years of experience have made Prostain a professional. Prostain Industrial provides pumps, valves, and other castings in materials including 304 and 316 stainless steel, medium carbon steel, and heat-resistant/wear-resistant steel. Kaiyao has formed a strategic alliance, integrating foundries and processing plants of different materials into a production chain. It can also supply gray cast iron, aluminum alloys, and copper alloys to meet customers' comprehensive needs.
Machining
Prostain Industrial Co., Ltd. has systematically expanded our casting machines, melting furnaces, and peripheral processing equipment to continuously increase production capacity. With strong equipment capabilities, rich experience, and excellent technology, we produce diverse, high-quality products, becoming a powerful support for our customers' orders. We also possess CNC lathes, milling machines, and various precision testing instruments. With a business philosophy of reasonable product prices, timely delivery, and professional technology, we are dedicated to providing our customers with the best products and services.
Prostain Industrial Co., Ltd. has our own foundry, and the entire process from casting to processing, inspection, and shipping can be fully controlled to ensure consistent quality.

















