Jiasheng Photovoltaic Technology Co., Ltd., also known as Gain Solar, is a high-tech new energy manufacturer and carbon-neutral solutions expert headquartered in Baoding, China. Established in 2007 as a wholly-owned subsidiary of the Yingli Group, the company has evolved from an in-house production unit into a global provider of advanced photovoltaic (PV) technologies. Operating with a workforce of 101 to 500 employees and supported by four national R&D platforms, the company specializes in the research, development, and manufacturing of crystalline silicon modules and building-integrated photovoltaic (BIPV) solutions.
The company's extensive product portfolio includes high-efficiency monocrystalline and polycrystalline solar panels, bifacial modules, and PERC PV modules ranging from 5W to over 720W. A primary differentiator is their leadership in BIPV green materials, such as solar roof tiles, solar facades, solar glass, and solar shingles designed to enable zero-energy buildings without compromising architectural aesthetics. These products are widely applied in residential, commercial, and industrial projects, including solar pumping systems, off-grid power stations, and smart microgrids.
Jiasheng Photovoltaic Technology maintains rigorous quality standards, holding certifications such as ISO 9001, ISO 14001, ISO 45001, TUV, UL, CE, CQC, and RoHS. With multiple production lines and a significant annual output value, the company serves both the domestic Chinese market and international regions across Europe, North America, Africa, and Southeast Asia. They offer comprehensive OEM and contract manufacturing services, leveraging over 300 patents and a strong commitment to sustainable energy innovation.
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Baoding Haosheng Optoelectronic Technology Co., Ltd. is a national high-tech enterprise and a manufacturer and trading company based in Baoding, China, specializing in LED outdoor lighting and solar lighting products. Established in 2010, the company operates with 51-100 employees and has an annual revenue between USD 50,000,001 and 100,000,000. They possess strong research and development capabilities, offering OEM services and professional technology support. Their extensive product portfolio includes high-power LED street lamps, solar LED street lamps, LED courtyard lamps, solar LED courtyard lamps, solar insecticidal lamps, and various other LED and solar-powered lighting solutions for road, building, and commercial applications. The company operates its own factory and holds CE, RoHS, and FSC certifications, ensuring high-quality standards. With a strong market presence in China, Baoding Haosheng Optoelectronic Technology Co., Ltd. exports its products globally, including to the Americas, Africa, Asia, Caribbean, Europe, and the Middle East, with a focus on expanding into Oceania and other European markets.