Hartmut Müller

Wieland-Werke AG engages in the production of non-ferrous semi-finished products. Its product portfolio includes strip and sheets, rods and sectional rods, wire and sectional wires, tubes and finned tubes, heat exchangers, slide bearings, and components. The firm also offers solutions for heat transfer, fish farming, e-mobility, and engineering properties optimization. The company was founded in 1820 and is headquartered in Ulm, Germany.

Part of Ningbo Jifeng Auto Parts Co., Ltd., Grammer Interior (Changchun) Co., Ltd. is a Chinese company that manufactures and distributes automobile parts, transmission and power train components. The company is based in Changchun, China.

Part of Ningbo Jifeng Auto Parts Co., Ltd., Grammer Interior (Shanghai) Co., Ltd. manufactures automobile parts and textiles. The company is based in Shanghai, China.

Part of Ningbo Jifeng Auto Parts Co., Ltd., Grammer Automotive Puebla SA de CV develops and manufactures seating systems and seat components. The company is based in Querétaro, Mexico.

Grammer Interior Tianjin Co., Ltd. is a private company that manufactures motor vehicle parts and accessories. The company is based in Tianjin, China.

Part of Ningbo Jifeng Auto Parts Co., Ltd., Grammer, Inc. is an American company that manufactures and supplies seating for tractors, trucks, and forklifts.