Zhejiang mingch electrical Co., Ltd is a manufacturer specialized in

Quzhou SanyuanHuineng International Trading Co., Ltd. is a scientific and technological manufacturing enterprise specializing in the research, development, production and sales of power products. It is a national high-tech company. The company is located in the state-level high-tech development zone-Zhejiang Quzhou Intelligent Manufacturing New City. Over the past 20 years, the company has gathered elites from all directions and built a dynamic R&D team. They are conscientious, diligent and unremitting, overcome one industry technical barrier after another, and constantly inject new content into the technological innovation of the pressure regulation industry. The team has a number of core technology patents for AC automatic voltage stabilizer (regulator), has made key breakthroughs in the control technology of automatic voltage regulator equipment, and obtained a number of industry-leading technical achievements. It has filled a number of technical gaps in the industry in such projects as voltage regulation and voltage stabilization technology in extremely low voltage environments, arc control technology when switching elements are working, and intelligent matching technology for load changes and the maximum output power of voltage stabilization equipment.

WEIXIAN is a sulphonation/sulphation technology specialized engineering company, owns a professional engineers and technicians team dedicate for feasibility analysis, design&engineering, turnkey plant and key equipment supply, old plant renovation/upgrade, installation, commissioning and other technical services.In the last 30 years, WEIXAIN has carried out over 200 projects worldwide, including two world's largest 8tph plants.

Fuzhou Hedao Trade Co. Ltd, established in 2011, is a professional manufacturer