Four core categories covering most industrial fastening needs.
Hex · Allen · Carriage · Structural · Flange · U-Bolts
Hex · Flange · Lock · Nylon · Wing · Structural
Flat · Spring · Lock · Fender
Self-drilling · Chipboard · Machine
Most requested fasteners from our catalog.
High-strength hex bolts for heavy-duty connections.
Self-locking flange nuts for vibration-resistant joints.
Integrated washer design for fast, secure assembly.
Standard and custom OD/ID for load distribution.
Ruspert and stainless options for metal-to-sheet fixing.
Full and partial thread studs for custom assemblies.
Hangzhou Shangpinhan Optoelectronics Business Co., Ltd. is a Chinese specialist in high-performance metal fasteners. We solve critical connection challenges in extreme environments—from temperature and corrosion to high load and precision. Our custom-engineered solutions ensure structural integrity, backed by rigorous testing and close collaboration. This is how we build reliability into every connection point. At Hangzhou Shangpinhan Optoelectronics Business Co., Ltd., we don't just supply parts—we deliver the certainty of a secure connection.
Our manufacturing facilities are equipped to produce across DIN, ISO, ANSI and GB standards. We support a wide range of finishes: plain black, zinc-plated blue/white, hot-dip galvanized, Ruspert, nickel-plated and stainless-steel grades. With monthly capacity exceeding 2 million pieces, we serve OEMs and distributors in 40+ export markets.
Built on quality, speed, and long-term partnership.
Cold forging, CNC machining, and heat treatment under one roof for tighter QC.
Hardness, tensile, salt-spray and coating-thickness checks before every shipment.
DIN, ISO, ANSI, GB drawings accepted; custom OEM specs welcome.
FOB / CIF / DDP options; consolidated container loading and reliable lead times.
We welcome clients with all kinds of projects—large or small, simple or complex. Our goal is to meet your requirements with excellent service and reliable quality. From CAD drawing review to first-article inspection, our engineering team supports every stage.
Start a Project
Trusted across industries, underwritten by top-tier insurance.
Every shipment is underwritten by the People's Insurance Company of China for Global Product Liability Insurance.
Drawing-based custom production is our strength. We machine stainless steel, alloy steel, carbon steel, and exotic alloys.
Proven supply chain reliability across Europe, Americas, Middle East, Southeast Asia, and Africa.
We advance together with our clients and distributors.
Tell us sizes, grades, finishes, quantity and destination port.
Contact Seith Lee for fast quotes, samples, and OEM discussions.