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Tontec International Limited
China
Injection Molding: High-volume plastic production and overmolding

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Tontec International Limited is a family-owned injection molding and toolmaking company founded in 1982 by Philip Choi in Hong Kong. In 1993, the company shifted manufacturing operations to Shenzhen, subsequently expanding its manufacturing footprint across Mainland China, Southeast Asia, Europe, and North America.

Tontec maintains 12 manufacturing plants and three development centers worldwide, employing over 4,000 staff members. Its primary China-based manufacturing hubs are situated in Shenzhen, Suzhou, Tianjin, Wuhan, Ma’anshan, Chengdu, and Huizhou. The firm integrates SAP S/4HANA ERP and Manufacturing Execution Systems (MES) into connected injection molding lines.

  • Global Headquarters: Hong Kong / Shenzhen Development & Manufacturing Base
  • Facilities: 12 factories globally (Shenzhen, Suzhou, Tianjin, Wuhan, Chengdu, Huizhou, Chonburi, Querétaro, France, Romania, Tunisia)
  • Quality Accreditations: ISO 9001, IATF 16949, ISO 14001, ISO 13485

Offer

Tontec provides end-to-end tooling and high-volume thermoplastic injection molding services:

  • Injection Molding Machinery: Fleet of several hundred injection molding machines ranging in clamping force from 6 tons to 1,000 tons.
  • Process Portfolio: Single-component molding, multi-component / two-shot molding, overmolding, insert molding, gas-assisted injection molding, and in-mold labeling (IML).
  • Precision Tooling: In-house mold design and fabrication utilizing high-speed CNC machining centers, wire-cutting EDM, die-sinking EDM, precision grinding, and additive manufacturing via Direct Metal Laser Sintering (DMLS) for conformal cooling inserts.
  • Secondary Operations: Pad printing, silkscreen printing, solvent- and water-based spray painting (gloss and matt), manual and automated mechanical assembly, ultrasonic welding, heat staking, laser marking, vibration welding, and foam sealing.

Tags

injection molding
overmolding
insert molding
multi-component molding
high-volume manufacturing
precision molds
Industrial Specializations: Injection Molding: High-volume plastic production and overmolding
Headquarter/main address: No. 55 Puxia Road, Liuyue Community, Henggang Subdistrict, Longgang District
Shenzhen
Guangdong China
Get Directions
https://www.tontec.com
Business Type: Manufacturer
Ownership: Family-owned
Employees: 1,000 - 4,999
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