Precision Mold Making
精密模具製造
2D & 3D mold design on Pro-E and Cimatron, machined on Fanuc CNC 20,000 rpm high-speed centres, wire-cut and EDM.
[00] Est. 1988 · Hong Kong
Engineering the invisible limits of precision.
Grand Long is an all-in-one plastic products manufacturer — precision and double injection mold making, plastic injection production and full secondary processing, delivered from a 10,000 m² plant in Ping Hu, Shenzhen.
1988
Founded in Hong Kong
10,000 m²
Shenzhen plant area
300+
Employees
30+
Injection machines · 24 hrs/day
[01]Capabilities Matrix
One supplier, from steel to finished part.
See products →Double Injection Molds
雙色模具
Leading-edge two-shot tooling and production — a specialism developed over 30 years of component manufacturing.
Plastic Injection
注塑生產
30+ injection machines from Japan, Korea and Hong Kong, 45 to 750 tons, running 24 hours a day.
Secondary Process
膠件後加工
Dust-free spraying, silk-screen and pad printing, UV painting, hot stamping, ultrasonic welding and assembly.
[03]All-In-One Manufacturer · 嘉朗一條龍服務
A leading plastic manufacturer since 1988.
Founded by Mr. Chung Kwok Man, Jimmy, Grand Long combines an experienced management team with a technical group dedicated to serving customers. Headquartered in Hong Kong with production in Ping Hu, Shenzhen, we serve high-tech brands in telephones, audio, speakers, digital cameras, environmental detection instruments, health care instruments, LCD monitors, car accessories, electronic consumer products and industrial parts.
- 01Extend our excellence in products and services into new market segments.
- 02Build long-term partnerships through total customer satisfaction, competitive price and after-sales service.
- 03Expand production facilities and train skilled staff to maintain our competitive edge.
[02]Quality Assurance · 質量保證
Measured to 0.0001mm. Certified to ISO.
Our QC department is equipped with a 3D CNC vision measuring machine — a three-dimensional, non-contact, high-speed optomechanical system that defines geometric features as point, line and circle, with precision controlled to 0.0001mm.
- Quality System
- ISO 9001
- Cert. No. 0014-2000-AQ-RGC-Rva
- Environmental
- ISO 14001
- Recognized quality member
Major customers include
Vtech · Navico Group · Atlas Copco Group · Testo
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