ZhouShan WeiDa Machinery Co., Ltd. is a specialzed manufacturer of barrels and screws which are main parts of conical twin screw extruder, parallel twin screw extruder, single screw extruder, injection molding machine, rubber machine, chemical fibre machine, foaming extruder. The material is 38CrMoALA alloy steel which has the virtue of long life, high wearability and good antisepsis property after thermal refining, qualitative analyzing, nitriding, polishing and other procedures. So our parts can absolutely used for advanced machines home and aboard.

We are managed strictly under ISO9001-2000 Quality Certification System. Now we have already had a series of perfect quality guarantee and after-sale service system. Meanwhile, we have won good reputation in quality and credit through high precision machines, advanced technology, integrative work flow and have made a rapid flight both in technology and quality.

We also can offer mapping, designing, rebuilding service and repairing the barrels and screws according to the customers'requirement.

We will always obey the principle of keeping the contract and promise, surviving on quality, developing on honesty and credit to serve all customers.