Cangzhou Pengtong Pipe Fitting Manufacturing Co., Ltd has been specialized in the supply of steel flanges over 20 years, hot dip galvanized flange is one of our most popular products due to our strict quality control for the galvanize for customer.  We cooperated with only professional and qualified hot dip galvanized company and inspect the Zinc  quality and Layer thickness on all flanges before delivery the hot dip galvanized flanges into the customer’s hand.  

Below are the hot dip galvanized we exported to Europe, Middle East, Southeast Asia area, our QC inspector to check the zinc layer thickness with equipment.