신청
유동성 관, 유압 관, 가스 배관, 송유관
증명서
API, CE, JIS, GS, ISO9001
Secondary Or Not
Non-secondary
Pipe end
Plain\Beveled\as Request
features
large diameter standard sizes
steel round pipe sizes
galvan steel pipe manufacturer china
professional services
provide professional services 15 inch seamless steel pipe