JSB Plastics
Unit 2 Charnwood Edge Business Park, Syston Road, Cossington, LE7 4UZ
About
JSB Plastics Limited, a family-owned UK contract manufacturer based in Leicester, specialises in comprehensive plastic injection moulding and fabrication services, offering end-to-end solutions from design and tooling to assembly and packing. Supported by a fleet of 12 Sandretto injection moulding machines ranging from 60 to 600 tonnes, including a recent larger Romi Sandretto, their capabilities extend to heat bending, fabrication, assembly, hot foil blocking, and precision CNC milling/turning, with expertise in technically challenging materials and a focus on environmentally friendly alternatives. Holding ISO 9001 certification and pursuing ISO 14001, JSB Plastics serves diverse sectors, producing components for well-known retail and technology brands, and is distinguished by its proven track record of managing projects from concept to completion, providing technical support, efficient delivery, material flexibility, and collaborative problem-solving for long-term, cost-effective partnerships.
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JSB Plastics Limited is a family-owned UK contract manufacturer based in Leicester, specialising in plastic injection moulding and fabrication. With a history dating back to 1992, the company offers a complete end-to-end service, from initial product design and tooling development through to final assembly and packing. Their operational scale is supported by a fleet of 12 Sandretto injection moulding machines, with capacities ranging from 60 to 600 tonnes, including a recent significant investment in a larger Romi Sandretto machine to handle more substantial projects.
The company's capabilities encompass a wide array of manufacturing processes, including injection moulding, heat bending, fabrication, assembly, and hot foil blocking. JSB Plastics demonstrates expertise in working with technically challenging materials and is actively exploring environmentally friendly alternatives. Their equipment allows for precision work, including CNC milling and turning for specific projects. They serve a diverse client base across various sectors, producing components for well-known retail brands and technology companies.
JSB Plastics holds ISO 9001 certification and is pursuing ISO 14001, underscoring their commitment to quality and environmental responsibility. They have a proven track record of successful project delivery for prominent clients such as Ritz, Dairylea, One Direction, Waitrose, Dell, Durex, and M&M's. Clients consistently praise JSB Plastics for their ability to manage projects from concept to completion, providing technical support, efficient delivery, flexibility with materials, and collaborative problem-solving, fostering long-term partnerships built on high service levels and cost-effectiveness.
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Press fleet5
- Moulding processes
- Injection moulding
- Smallest press (t)
- 60
- Largest press (t)
- 600
- Press count
- 12
- Press brands
- Romi, Sandretto
Moulding capability2
- Decoration
- Hot foiling
- Product specialisms
- POS & retail display
Production2
- Batch tiers
- High volume
- Handles volume production
- Yes
Prototyping & NPD1
- DFM support
- Yes
Tooling2
- In-house toolroom
- Yes
- Tool services
- Repair & modification
Assembly & finishing1
- Assembly offered
- Yes
Certifications & accreditations2
- ISO 9001
- Held
- ISO 14001
- Held
Identity & contact1
- Industries served
- Automotive, Consumer goods
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Press fleet: Large-format (≥1,000 t) · Premium press fleet · All-electric presses
Moulding capability: Process specialisms · Micro moulding capable · Min part weight (g) · Max part weight (g) · Cleanroom class · Certified cleanroom · Scientific moulding · Joining methods
Materials: Material modifiers · Recycled content offered · Recycled feedstock types · ESD-capable
Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Product-design service · Mould-flow simulation
Tooling: Tooling origin · Tool trials offered
Production: Handles prototypes · Runs 24/7 · Bridge production
Assembly & finishing: Assembly capabilities
Machining: Contract machining
Quality & inspection: FAI methodology · CMM · Inspection stages · SPC / Cpk · Automated vision QC
Certifications & accreditations: ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies