... 1 ISO9000 2.Complete in specifications 3.Best quality&service 4.competitive price 5.leak proof Supplier evaluation strength (BV ... not heavy lifting equipment.2 the hydraulic characteristics is excellent, inside sleek, fluid resistance small, can save pumping expenses.3 conduit ... wall not fouling, long-term use can still keep inside sleek.4 low thermal conductivity, 0.39 w/m, k, insulation ...