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Two Shot MoldingA process for injection molding a composite of rigid thermoplastic and soft thermoplastic, the soft thermoplastic including a cavity established with pressurized assist gas or an assist liquid. The process includes the steps of: injecting a hard molten thermoplastic into a first mold chamber; injecting a soft molten thermoplastic into a second mold chamber; establishing communication between the first chamber and the second chamber so that the rigid thermoplastic and soft thermoplastic integr |
| Highlight: | multi storey steel frame buildings,steel prefab buildings |
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High-rise Steel Building Multi-Storey Steel Building Electric Galvanized And Grinding, Punching, Shot-Blasting
National GradeⅠSpeciality Contractor for Steel Structure
China’s Top Grade for Steel Structure Manufacturing
A-level for Professional Project Design of Steel Structure
Features and benefits
Why is it the best way to choose HONGFENG to build your Multi-Storey Steel Building ?
ANGOLA Comfortable Housing Project
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Guangzhou Textile Expo Center
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BANK OF CHINA Tower
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TECHNOLOGY R&D
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PRODUCTION LINES
BOXBEAM PRODUCTION LINE
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Box Assembling Machine Intersection Line Cutter Molding Machine
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Dual-arc Double Wire Welder Electroslag Welder Face Miller
NET RACK PRODUCTION LINE
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H TYPE STEEL PRODUCTION LINE
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Tridimensional Drill Machine CNC Sawing Machine CNC Spot Facer
QUALITY MANAGEMENT
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OUR HONORS AND CERTIFICATIONS
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Welcome to visit our Group!
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Contact Person: Mr.
Tel: 898