Qingdao Century Honghui International Trade Co., Ltd

qingdao, shandong, China

We offer 304 stainless steel investment casting ball valve. Precision casting, investment casting & lost wax casting. Carbon steelalloy steelstainless steel. Polishingshot blast surface. Features to precision casting, investment casting & lost wax casting: 1. Material & standard:stainless steel sus304 sus316 alloy steel2. Technology: lost wax process or silicon sol shell-making. 3. Melting equipments: medium frequency induction electric furnaces. 4. Inspection facilities: spectrum instrument, ultrasonic flaw detector x-ray detecter, and mechanical properties facilities. 5. Heat treatment: ageing, normalizing, quenching & tempering(if necessary). 6. Surface treatment: shot blast surface or polishing surface. 7. Machining: cnc, nc, common machines process(if necessary). 8. Part unit weight range: from 0.1kg up to 60.0kgs9. Representative product: casing, housing, cover, gear, connection part, bolster, frame, link push, bucket teeth, hammer, ball, pipe fitting.