We are one factory in China which found in 1993, we provide my customer hight quality products and good services. 1. High tensile strength. 2. High process precision, precise thread. 3. Good quality 4. Reasonable price 5. Material: Cast iron 6. Surface treatment: It can be galvanized, hot DIP galvanized or painted coated 7. Other size is available in special or custom variations to meet a particular need, or according to the drawing, sample or special requirement of clients.