WELCOME TO SHANTOU

WELCOME TO SHANTOU

25 Patents and Counting: Inside Longsheng's R&D and Quality System

Time: 2026-10-22 09:54:06.234

A High-Tech Enterprise Built on Innovation

Shantou Longsheng Industry Co., Ltd. is recognized as a high-tech enterprise in China's plastic machinery sector. Since its founding in 1998, the company has invested continuously in product design, development, and manufacturing, referencing sophisticated technology at home and abroad while maintaining a bold, innovative spirit.

Patent Portfolio: 25 Authorized Patents

The "Longsheng" trademark is a registered own brand, and the company holds 25 authorized patents to date:

  • 1 invention patent covering core forming technology
  • 24 utility model patents covering machine structure, mold design, and automation details

This intellectual property portfolio supports the reliability and performance of Longsheng's sheet extruders, thermoforming machines, vacuum forming machines, and cup making machines.

Quality Principles

Longsheng's products are known for three qualities that customers repeatedly cite:

  1. High quality – rigorous inspection of machined parts, electrical components, and assembled machines before shipment
  2. Energy-saving performance – servo-driven designs reduce power consumption over the machine's lifetime
  3. Safety – protective design across heating, forming, and cutting stations

Company Scale

Longsheng operates a 30,000 square meter production facility in Shantou, Guangdong, supporting machining, assembly, testing, and training under one roof.

Guiding Philosophy

"Technology creates value, service to win the market" is the company's tenet, and its marketing target is to be a leader in China's plastic machinery and equipment manufacturing industry. More information: https://www.stlongsheng.com

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