중국산업용 밸브 제조 / 공급 업체,제공 품질 Multi-Purpose Stainless Steel 3-PC Trunnion Mounted Flange Ball Valve for Oil Gas and Chemical, 3-PC SS304 Trunnion Mounted Flange Ball Valve Stainless Steel for High-Pressure Applications, 산업용 Wcb/스테인리스 스틸 ANSI 플랜지 끝 Y 스트레이너 등등.