1. What's the quality of JJPM screw barrel like?
We apply advanced manufacturing management system and have an experience of more than 10 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design and enhancing service, to assure product quality and competitive cost.

2. How long does it take to receive my product after I place the order ?
Delivery time varies from 25 to 35 days according to the different materials of screws. 

3. How about the after service of JJPM product?
 Generally, customer often demands the QC to check our goods when we are going to ship. In case of the customer receives shipment and finds some quality problem, we will accept a claim if it is our responsibility.

4.Technological process : Custome Order--Product Design(Customer Drawing)—Production Flow Arrangement—Material Procurement Hardening&Tempering—Drilling— RoughTurning—  oughThreadRolling(AlloySprayWelding) —Alignment FineThread Rolling—Mixing—Alignment—High Frequency Treatment —Alignment—Polishing—Grinding—120 Hours Nitriding Treatment— Acid Piclking—Polishing— Chrome Plating— O.D.Grinding Packaging and Shipping 

Want to know more? Welcome to view our official website:http://www.cnmachineparts.com

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