About us


LSP specializing in the research & development and production of AC, DC, PV surge protective devices SPD. We offer either a complete range of Type 1 to 3 Surge protective devices for low-voltage power systems according to EN 61643-11 / IEC 61643-11.

Our products provide protection against atmospheric and technological overvoltage and ensure safe and trouble-free operation of technological equipment, machinery and electrical appliances in the industry, transport, telecommunications, data centers, office buildings as well as households.

13 years of success in China and abroad

  • We have been on the market since 2010. The headquarters and factory are based in Liushi Town, Wenzhou, China.
  • Our products protect various technological equipment in a lot of countries in Europe, Asia, Africa and South America. The export business activities are provided by subsidiary LSP.

Our own development = foundation of permanent and dynamic company development

  • Our R&D department providing continuous innovation is the foundation of our further development.
  • Our experienced R&D team utilizes a testing laboratory with the latest equipment featuring unique devices and technologies that support the fast and high-quality development process.
  • State-of-the-art materials, construction procedures, and measurement methods are essential for us.
  • Production is equipped with automatic and robotized assembly lines.

Flexibility and speed = our basic credo

  • Flexible approach to the implementation of special customized solutions and products ODM/OEM all over the world.
  • Fast delivery according to customers’ requests.

Customers = power engine

  • Customers are our everlasting inspiration. Hands-on experience linked to technical innovation gives us the opportunity to provide solutions for complex surge protection.
  • High-class and fast technical support, regular training of specialists as well as extensive marketing and sales services are our standards.

Quality + world standards = our essentials

  • The safety, reliability and top quality of our products come first for us!
  • Quality is our image. We are certified in compliance with international standards.

Our as up to date, progressive company in the field of electrical engineering builds its image on the personal liability and responsibility of employees focused on quality and customer satisfaction.

Particularly, our most important targets:

  • High tech level of the products
  • Highest quality, safety, and reliability of products
  • Satisfied customers