Customized flexible waterproof conduit, non-standard national standard, irregular shaped sealed conduit, drainage system, fire protection system

Fire drainage system A-type, B-type, C-type flexible waterproof conduit supplier, non-standard national standard, large-diameter customized

Q235 flexible waterproof conduit for protective sealing and waterproofing, customized with national and non-standard standards, extended through wall and floor slabs

Rigid waterproof sleeve made of stainless steel material manufacturer 02S404 standard building pre embedded drainage fire water tank

Steel casing pile foundation pipeline manufacturer produces customized subway steel pipe columns, pre embedded bridge pile driving processing

High power laser cutting stainless steel tube laser welding external laser cutting tube processing factory

Hot dip galvanized pipe gallery, cable trench, angle steel bracket, tunnel, power communication pipe gallery, angle iron bracket, galvanizing equipment processing

Stainless steel metal embedded parts, non-standard customized production, welding, bridge advertising board foundation embedding