1. ChangZeng is professionally manufactured. Its raw materials are crushed, ground, waste rock separated, and refined to guarantee the high purity of the product. It is highly resistant to corrosion and oxidation
2. Shanghai ChangZeng Metal Co., Ltd. will do the follow-up with customers after the shipment. It is the best for welding, machining or other needs
3. The product has a long mechanical life. It has been tested by exposure to EMC, high and low temperatures, moisture, mechanical shock, vibration, sunlight, and other corrosive environments. It is highly resistant to mechanical and chemical degradation
4. The product can run uninterruptedly. Its excellent mechanical properties enable it to work stably and reliably all the time without malfunction. The minimum order quantity for this product is 5 tons
1. The equipment of leading machines and advanced technology ensure the development, test and inspection of 30 gauge galvanized sheet metal .
2. Quality service ensures that we maintain the leadership position in cold rolled steel sheet industry.