Beijing W&F Technology Co., Ltd. is registered in Beijing, the capital of China, was established in 2006 and has been in continuous operation for 17 years.

? Guangzhou Rontto Trading Co., Ltd. Specializes in production and sales: Nickel-cadmium rechargeable battery, nickel-metal hydride rechargeable battery, disposable dry battery, power bank, lithium ion battery, lithium polymer battery, notebook battery, battery charger, injection molding wire and other products, in strict accordance with the ISO9001: 2015 quality management system certification standard organization production and quality control, the company's products are widely used in: Wireless telephone, intercom, power tools, electric toys, emergency lights, flashlights, lawn lights, medical equipment, instruments and meters, resource exploration, household appliances, high-power lighting, outdoor mobile power supply and other fields.

With over 10 years' experience in the fiber optic field, Shenzhen Starfire Technology Ltd specializes in sales, rentals and repairs of fiber optic equipment for any brand. We offer customized solutions and one-stop fiber optic products to meet the clients' regular and special needs, including design, supply, and superb after-sales services.

Green Optoelectronics Communication Co., Ltd. is one of the most professional companies specializing in the field of communication instruments and electrical appliances in China, we are offering state-of-the-art & cost effective products and solutions to the global customers in more than 40 countries.

Shenzhen Hontek Co., Ltd. is a professional international sales company for telecom test equipments. We are the agent of comway, fujikura, sumitomo, exfo, jdsu, anritsu products. At the same time, we have our own factory producing the fiber tester and fiber accessories.

Shanghai Govo Telecom Co., Ltd has been dedicated to manufacturing, selling products services for fiber optic communication for many years.