PVC profile screw barrel for conical twin screws extruder plastic machine

Batten screw barrel process

Blanking->Punching->Rough turning->Hardening&Tempering->Finish turning->Rough Milling->Finish Milling->make
gooves for bimetallic->Bimetallic by PTA->Rough Grinding->Rough polishing->make splines or Keys->Nitriding->Finish
Grinding->Polishing->Packing & Delivery

Barrel

Blanking->Punching->Rough turning->Rough Boring->Hardening&Tempering->Finish Boring(0.4-0.8mm)->make gooves
for bimetallic->Bimetallic by PTA->Finish Grinding->Finish turning-> Milling the feeding hole&exhausting holes-
>Nitriding->make other small holes,thermometer hole,location hole->Grinding surface of feeding hole&exhausting hole-
>Polishing->Packing & Delivery

Q: Are you trading company or manufacturer ?

A: We are factory.And also have one trading company to receive money.Our factory is "Zhoushan Batten Machinery Technology Co.,Ltd." and trading company name is "Zhoushan Batten Import and Export Co.,Ltd."

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 35-60 days if the goods are not in stock, it is according to quantity and size.

Q: Do you provide samples ? is it free or extra ?

A: No.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have any question,our pleasure to have your call to +86 18658040272 or email to ann(dot)