Tianjin Grewin Group is concentrating on transformers for 25 Years and complianted by ISO9001: 2015, CB, IEC CB, CE etc. We're always pay great attention to its business philosophy "Quality and Honesty First". Grewin is specialized in the design and manufacture of wound components such as transformer, current sensors, chokes etc. Windely used in communications, electronics, meters, industrial control, medical equipments and other fields. We are also a provider of power meters and tape and winding machines. 85% of its products exported to America, Europe, and Asia etc. We sincerely invite you to join us to create a bright future.

Long Road Electric Co., Ltd founded in 2010, is located in the largest manufacturing base of low-voltage electrical equipment of Wenzhou China, which is called "the Electric Device Metropolis of China". Long Road Electric Co., Ltd is committed to the production, marketing and service of smart high and low voltage electrical components, smart power systems, and is one of the most dynamic companies in China's smart electrical industry. The company has strong independent innovation capabilities, has a number of core technologies, and has obtained a number of patents, it has passed IS09001: 2008, 14000, OHSAS18000 and other certifications. Among them, the Internet of Things circuit breakers and DC power distribution products for photovoltaics and communications have a leading level in the industry. They have taken the lead in passing CE, CB, IEC, SGS, Nemko, SAA, SASO, TUV, CCC, Golden Sun, VDE etc. Certification authority.

Beijing GFUVE Electronics Co., Ltd. Was established in 2005. It combined science, industry and trade together as one high-tech enterprise. GFUVE mainly produces split core current transformer, high voltage ammeter recorder, IEC61850 test suite software, meter test equipment, current probe, reference standard meter, phantom load power source, electrical measurement instrument, relay test set, transformer test, CT analyzer, Test equipment, and power meter, power analyzer, intelligent digital meter, transducer, handheld terminal and split core current transformer, voltage transformer and current transformer models etc.

Shine Peak Group(HK) Limited is a group company that established in HongKong, China. We have invested many factories in China inland and have helped clients from all over the world to complete their project and source the best products that they want. Our main business lies in farm and garden tools, poultry equipment, greenhouse planting accessories and agricultural machinery. In Recent years?we have also expended our business in to kitchen products, hand tool and hardware tools.

Zibo Billion Electronics Co., Ltd. Was registered in 1997. It has been a backbone professional enterprise in China in scopes of design and manufacture of the electronic intellectualized kilowatt-hour meter, water meter, gas meter, heat meter and Nickel-Hydrogen Rechargeable Power Capacitive Batteries. Based on abundant and precious experiences accumulated in many years, the "BILLION" brand meters and batteries has been prestigious natively and abroad as a result of its high tech characteristic, and also has been won our all customer's favor.