• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Zhejiang, China (Mainland), Zhejiang, China (Mainland)
  • Brand Name: shenglong screw, shenglong
  • Model Number: single or twin screw, single or twin screw
  • single or twin screw: single or twin screw

Packaging & Delivery

Packaging Details wooden case
Delivery Time 25-40days


We have outstanding theoretical background and practical experience, providing optimum designs of screws and barrrels for our cu

Technical data:

Depth of Nitrated Layer: 0.5-0.8mm          Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1        Surface roughness: Ra 0.4um 
Hardness of Cr-coating Layer: ≥950Hv       Thickness of Cr-coated Layer: 0.03-0.08mm Hardness of Bimetallic Layer: HRC55-72            Depth of Bimetallic Layer: >2mm


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $43,000
Learn More