Silicone Rubber & Metal Parts Manufacturer

About Thesun Industry

Xiamen LingShan Tech Co., LTD, operating as Thesun Industry, is a leading manufacturer specializing in silicone rubber products and precision metal parts. With advanced capabilities in LSR injection molding, plastic injection, metal stamping, and CNC machining, we deliver high-quality components for diverse industries.

Our expertise spans consumer electronics, medical & healthcare, automotive, new energy, and home supplies. We combine cutting-edge technology with rigorous quality assurance to meet international standards and client-specific requirements.

10+

Years Experience

50+

Global Clients

Our Capabilities

Silicone Injection Molding

LSR (Liquid Silicone Rubber) thermoset process using platinum catalyst for flexible, food-safe, and medical-grade parts with high precision and repeatability.

Plastic Injection Molding

Mass production of complex plastic components with tight tolerances, ideal for consumer electronics, automotive, and home appliances.

Metal Stamping

High-speed conversion of flat metal sheets into precise shapes for connectors, brackets, and structural components.

CNC Machining

CNC milling and turning for prototyping and low-volume production of metal and plastic parts with micron-level accuracy.

Die Casting

High-pressure casting of molten metal into molds for strong, durable components used in automotive and industrial applications.

Silicone Extrusion

Production of silicone cords, seals, and custom profiles by forcing material through shaped dies for consistent cross-sections.

Featured Products

Food-Grade Silicone Cross Slit Valve

One-way valve for ketchup, sauces, and liquid dispensing. FDA-compliant, leak-proof, and reusable. Ideal for inverted bottle applications.

OEM Food-Safe Liquid Dispensing Valve

Precision LSR-molded valve with cross-slit design for controlled flow. Suitable for condiments, cosmetics, and medical liquids.

Spill-Proof Water Bottle Valve

High-quality LSR valve with cross-slit cut for mess-free drinking. Used in sports bottles, baby bottles, and concentrate dispensers.

Custom LSR Injection Molded Parts

Tailored liquid silicone rubber components for medical devices, electronics, and automotive sensors. High durability and thermal resistance.

Precision Plastic Injection Parts

Complex plastic components for consumer electronics, housings, connectors, and industrial equipment. High volume production capable.

Silicone Compression Molded Seals

Labor-intensive process for high-consistency rubber (HCR) parts. Ideal for gaskets, pads, and custom-shaped seals.

Medical-Grade Silicone Valves

Biocompatible, autoclavable valves for medical fluid control, respiratory devices, and drug delivery systems. ISO 13485 compliant.

Automotive Silicone Components

Heat-resistant LSR parts for sensors, connectors, and under-hood applications. Designed for long-term reliability in extreme conditions.

Frequently Asked Questions

What materials do you work with?

We specialize in liquid silicone rubber (LSR), high-consistency rubber (HCR), thermoplastics (ABS, PC, PP, etc.), and metals including aluminum, zinc, and stainless steel.

Do you offer prototyping services?

Yes, we provide rapid prototyping using 3D printing (SLA, SLS, FDM) and CNC machining to validate designs before mass production.

Are your silicone products food-safe?

Yes, our silicone valves and components are manufactured using FDA-compliant materials suitable for food and beverage contact applications.

What industries do you serve?

We serve automotive, medical & healthcare, consumer electronics, home supplies, new energy, and industrial appliance sectors.

Get in Touch

Contact us for quotes, technical support, or custom manufacturing solutions.

Phone

+86-18030140773

+86-13625012311

Email

sales@thesunindustry.com

info@thesunindustry.com

Location

Building 9, No.510, Haiming Road

Xiang'An District, Xiamen, China

Visit Official Website

Precision Silicone & Metal Manufacturing