Zhongshan Nengtong Burglarproof Electronics Co., Ltd., originally known as Zhongshan Nengtong Electronic Factory, is a modern high-tech enterprise integrating R&D, manufacturing and sale of burglarproof electronic products. Founded in 2004, after years of effort, our company has been recognized by both domestic and overseas markets with excellent product quality, leading technology and quality service. Since the foundation, Nengtong Electronic, integrating advanced production equipment and scientific production management with self technology advantage, has gathered a group of elites in project R&D, production management and sales service in the industry to manufacture high quality and high standard products. Introducing latest production equipment from Germany and Japan, integrating human management and corporate culture philosophy, our company has built the first class enterprise with R&D, large production, brand and service strategic advantages. Integrating manufacturing, sales and service of automobile, motorbike and household burglarproof device, adhering to philosophy of "technology is drive of products, service is source of market", Nengtong Electronic puts customers' service at the first place and provides 24h after-sale service for customers.

Established in 1997, Qingdao Ouli Machine Co., Ltd. Was located in Huangdao District, the west coast of Qingdao city, Shandong province, China. We are specialized in rubber machinery designing, manufacturing and maintenance work.

Sunstone Power Group Headquarters: Solid Power Industrial (Shenzhen) Co., Ltd. Has 20 years of experience producing and selling battery products. Established in 2003, the company has grown into an enterprise group that consists of two factories in China: A lead-acid battery production factory in Yichun City, Jiangxi P. R, and a lithium battery production factory in Dongguan City, Guangdong P. R.; Two overseas companies are also established: Sunstone Power Industrial GmbH in Germany, and PT. Solid Power Energi in Indonesia.

CONFIDENCE AUTO PARTS LIMITED is one leading OE windscreen wiper blade, wiper arm, LED car headlamp, car horn, and packages manufacturers in China, main markets in Europe, Asia and America, working with world top brands, distributor, wholesaler, supermarket, automotive store, and online Amazon leading suppliers, partners incl. Goodyear, GROUPAUTO, DT, Auto Distribution etc.

EVEGO Energy is an engineering-driven solution provider specializing in EV charging and energy storage solutions. Founded in 2016, EVEGO integrates in-house R&D, advanced manufacturing, and system-level delivery capabilities to support customers with reliable, scalable, and future-ready charging infrastructure.

WUHAN JACKWIN INDUSTRIAL Co., Ltd. is a professional manufacturer of Road Safety Products and High Performance Silicone Hose, we specialized in developing, designing, manufacturing and exporting a wide range of Roadway & Marine Safety, Parking, Site & Construction facilities, Silicone Hoses. We have a broad range of products that we self-designed with excellent quality for clients' Choice and the strong ability for injection and blowing mould process in our R&D department makes plastic products in various sizes, shapes and colors with superior strength in short lead-time with lower developing and manufacturing cost to satisfy customers from allover the world.

Through the power of technology, LONGWIN GROUP hope to create a better future by striving to solve various social issues faced by the world.