Metallurgy Lab
Onsite spectrometer, micro hardness testing, and metallographic analysis for alloy validation.
Since 2003
Engineering trust since 2003
From our Ningbo headquarters to service hubs across Singapore, Malaysia, Vietnam, Thailand, Indonesia, and the Philippines, we deliver screw barrels that keep high-output plastics operations on schedule.
Factory Size
18,500 m2
Annual Capacity
7,800 sets
Export Markets
27 countries
Engineering Team
45 specialists
Company snapshot
Screw Barrel Group operates an 18,500 square meter facility with CNC centers, nitriding pits, and heat treatment lines managed by senior metallurgists.
Production spans bimetallic, fully hardened, nitrided, and twin screw solutions with traceability for every casting, forging, and overlay.
Production Capacity
7,800 screw and barrel sets manufactured annually with lean scheduling and SEA export compliance.
Export Coverage
Active shipments to China, Singapore, Malaysia, Thailand, Vietnam, Indonesia, the Philippines, and beyond.
R&D and Quality Control
Heat Treatment Hubs
Vacuum furnaces, nitriding pits, and HVOF spraying ensure repeatable hardness profiles.
CNC and Grinding
12-axis CNC turning, deep-hole boring, and internal/external grinding hold tight tolerances.
Manufacturing tour
Virtual walk-through screenshots and photography from our machining lines, heat treatment cells, and inspection labs are available upon request.
Milestones
Growth milestones that reflect our commitment to engineering depth and regional service.
2003
Founded in Ningbo focusing on nitrided screws for domestic injection machines.
2008
Introduced bimetal centrifugal casting line and began exporting to Malaysia and Thailand.
2013
Opened metallurgy lab and heat treatment center; certified to ISO9001.
2018
SEA technical support team established in Singapore and Ho Chi Minh City.
2023
Expanded twin screw division and launched bonded warehouse program for Southeast Asia.
Leadership team
Our leadership brings metallurgy, process engineering, and regional customer care expertise to every project.
LC
Liang Chen
Founder and Chief Engineer
30 years of screw barrel metallurgy experience guiding alloy selection and process integration.
GT
Grace Tan
SEA Regional Director
Based in Singapore, leading customer support and logistics for ASEAN partners.
RP
Rahul Prakash
Head of Quality and Testing
Oversees CMM, ultrasonic, and hardness testing to validate every screw and barrel set.
Mission and values
Every screw and barrel set is produced with the goal of supporting long-term partnerships built on measurable performance.
Innovation
Continuous alloy trials, CAD flight upgrades, and process tuning keep lines productive.
Reliability
Certification-backed QC, documented inspections, and SEA-ready spare parts planning.
Partnership
Engineer-to-engineer collaboration, language support, and training for your operators.
Schedule a factory tour
Visit our Ningbo facility or arrange a virtual inspection session with our quality team to review machining centers, coatings, and inspection routines.
Tour slots available: Monday to Friday, 09:00 to 16:00 CST.
Virtual tours offered in English, Mandarin, Bahasa Indonesia, Thai, and Vietnamese.