Zhenjiang Rongcheng Pipe Industry Co., Ltd. ee raan ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc cɔl a ye kɔc c Kɔmpaniɛ ee kä juëc ye kek tɔ̈ɔ̈u në yuan miliyɔn 618 ye kek tɔ̈ɔ̈u në ɣän juëc yiic, ku ka tɔ̈ɔ̈u në ɣän juëc ye kek tɔ̈ɔ̈u në ɣän juëc yiic. Saan 2006, a cɔl ISO9001-2000 Quality Management System Certification. Në pɛɛi de 8 Pɛnëdhorou 2006, a cï bɛ̈n ya gäm "Certificate of Mineral Products Safety Marking" cï looi në National Mineral Products Safety Marking Office. Në run juëc cï lɔ̈ɔ̈m yiic, ke kɔmpanɛ̈i në "wɛ̈ɛ̈r cï rot looi, science and technology innovation, quality is guaranteed, user first" ye, ka tɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n bɛ̈n Ku ye luui në petrol, chemical, electricity, smelting, mines, chemical fiber, water supply drainage, coal mine, water dredging, wastewater treatment, ku jɔl ya ɣän kɔ̈k peei. A tɔ̈u yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen