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JAKA Energy provides high-quality testing, commissioning, maintenance, and operational services for energy generation, transmission, and distribution systems. We specialize in electrical, automation, and control systems, delivering turnkey solutions for high/medium voltage equipment, transformers, substations, switchgear, SCADA, cable diagnostics, and ground testing. Our expertise covers both conventional and renewable power plants—solar, wind, hydro, bio—as well as power grid infrastructure. Backed by ISO 9001, ISO 14001, and ISO 45001 certifications, we ensure fast, safe, and standards-compliant field services for utilities, EPCs, and industrial clients.

Yaang Pipe Industry is a professional organizer and one-stop-shop supplier for steel piping system products, including steel pipe and tube, forged flange and fittings, butt-welding pipe fittings, elbow, tee, reducer, stub end, gaskets, fasteners, valves, Sanitary Services etc. in China. We have devoted to providing the best solutions of steel materials and industrial equipment for our respected customers.
We supply not only commonly used stainless steel materials (SS304/L,SS316/L,SS321), but also duplex and super duplex steel 1.4547, 1.4462, 1.4410 (S31254,S31803,S32750,S32760), special austenite stainless 310S, 347H, 317L, 904L... Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining,Sewage treatment, Natural gas and Pressure vessels and other industries.
Yaang products are according to national standard GB/T12459, GB/T13401, U.S. standard ANSI/ASME B16.9, ANSI/ASME B16.5/B16.47, ANSI/ASME B16.11, ANSI/ASME B36.19M/ B36.10M, ASME B16.20,British standard BS,Germany standard DIN,Japan standard JIS..., The purpose built nonstandard or special use products as per customer's demand, we will try our best to satisfy it.
To be a reliable supplier, providing high quality products,very best service and support, Yaang will do that always!

In 1980 SPS electronic was founded in Schwäbisch Hall. Together with partners in several European countries we develop and produce test techniques in the field of electric safety and then sell same around the world. We mainly focus on test systems, single devices and service.
We can guarantee a close to the service because we have representatives all over Germany and independent trading companies throughout Europe, in America and the Far East.