Besides our main piping products, Haihao also provides the related products for our clients, it can help our clients to collect all the products in one time.
Our relevant products include:
Duplex stainless steel flanges and fittings.
Bolts,Nuts,Washers,Gaskets.
Casing pipes.
Valves.
Square tubes.
Tube sheet.
Insulation joint.
Steel plates & Coils
and other related products .