■ ST45 intelligent release passed the appraisal of the Department of Science and Technology and Quality Supervision of the Ministry of Machinery Industry in 1997, filling the domestic gap;

■ Based on the Profibus field bus power distribution monitoring and management system -- ST500 intelligent motor controller passed the appraisal of the State Machinery Bureau in 2000, and the products have reached the advanced level of domestic leading and international similar products;

■ Based on Profibus fieldbus power distribution monitoring and management system-YSS2000 configuration software passed the appraisal of the State Administration of Machinery in 2000, and the products have reached the advanced level of domestic leading and international similar products;

■ YSS2000 Power Monitoring and Management System-Distribution Network Monitoring and Management Remote Meter Reading Integrated System (THPS-2000) passed the appraisal of Jiangsu Economic and Trade Commission in 2008, and its products have reached the leading position in China, which is the first in China.

company passed the GB/T19001/ISO9001:2015 system certification. Some products have cooperated with many multinational enterprises such as General Electric (GE), Eaton Electric, Siemens, Hyundai Heavy Industries and Legrand.
The company provides "intelligent DC traction electrical system integration solution" for urban bus tram, rail transit and mine DC traction users, including the following independent intellectual property products:

■ WLDS1 and QDS8 DC fast circuit breaker, WLCZ1 DC contactor, ST700\ST780 DC microcomputer integrated protection device;
■ WDQ series DC switchgear, WRPLE rail potential limiting device, WDQXB intelligent box-type DC traction substation;
■ WKS-DTMS2000 intelligent DC traction electrical monitoring and management system.

Typical case users include Beijing Bus, Jinan Bus, Qingdao Bus, Dalian Tram, Changchun Bus Factory, Dalian Locomotive Factory, Southwest Jiaotong University, Benxi Iron and Steel Group, Shougang Group, Angang Group, WISCO Group, Maanshan Iron and Steel Group, etc.
The company provides power generation enterprises: WKS-ECMS2000 power plant electrical monitoring and management system, flue gas desulfurization (denitration) intelligent electrical system, field bus coal conveying program control system, field bus plant intelligent lighting management system, plant fan control system and intelligent terminal equipment (ST570 series intelligent motor protection controller, YSK2 series motor control and protection switch, ST400PC/PT and ST400FMH intelligent measurement and control protection device, YSA/YSM series frame and molded case circuit breaker, etc.). The products have been widely used in Huaneng Group, Huadian Group, Guodian Group, Datang Group, China Power Investment and other domestic and foreign power generation enterprises, including more than 500 sets of 300MW and above generating units.

The company provides WKS-IMCS2000 intelligent motor integrated control system, electrical equipment management system, medium and low voltage intelligent power distribution monitoring and management system (small and medium-sized enterprises), oil field intelligent protection and integrated control system and intelligent terminal equipment (ST570 series intelligent motor protection controller, ST420 series microcomputer line protection device, YSK2 series motor control and protection switch, etc.) for petrochemical, light industry, steel, cement, salt industry and other enterprises. Products are widely used in Sinopec, PetroChina, CNOOC, Yanchang Petroleum, Wanhua Chemical Group, Datang Energy Chemical, China Chemical Group, China Coal Group, China Aluminum, Chenming Paper, Huanghe Cement, Jintan Salt and other large enterprises.
The company provides WKS-BECS2000 building electrical equipment control systems and intelligent terminal equipment (ST4 series digital display electrical meters and multi-function power meters, ST452 series electrical meters, I/O modules, YSK2 series building equipment control and protection appliances, YSA/YSM series frame and molded case circuit breakers, WXL series electrical control boxes and control cabinets, etc.) for municipal and commercial real estate. Products are widely used in commercial centers, convention and exhibition centers, sports, university towns, hospitals, sewage treatment and other places.
The company has customer service centers and offices in many regions of the country, and its sales and service network covers the whole country, realizing 4-hour rapid response and 24-hour rapid service.

Wanlong people always follow the concept of "improving themselves, surpassing themselves, continuing to create and surpassing rivals", adhere to the road of professional innovation, and provide customers with advanced technology, reliable operation and economical system solutions and their supporting products.
Wanlong people sincerely hope that with new and old customers sincere cooperation, hand in hand development, create brilliant!