Product Name: Bolt-Hole Flange protector 
Product Type: Bolt-Hole Flange protector
Category: Bolt-Hole Flange protector
Now it is a leading manufacturer and supplier of various plastic molded products for a wide range of industrial protection applications. Main products are pipe & tube protectors and flange covers which are widely used in nuclear power, pipe mill, oil and gas projects, valves and flange factories in worldwide.