Witzenmann GmbH manufactures teflon-lined steel piping products for the chemical and pharmaceutical markets. Its products include flexible metallic components, such as metal hoses, expansion joints, metal bellows and automotive parts. The company was founded in 1885 and is headquartered in Pforzheim, Germany.

Wuxi Yongxing Metal Hose Co., Ltd., established on 2001-04-12, The business scope includes metal hoses,Bellows,Manufacture of auto parts and accessories,processing;Wujinjiaodian,Rubber products,metallic material,Chemical products and raw materials(Free of Hazardous Chemicals),Sales of diesel engines and accessories.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Aerosun Corp. engages in the production of special purpose vehicles. Its business production segments include special equipment, sanitation equipment, flexible piping, chemical machineries, and art engineering industries. Its Special Equipment production segment offers military special vehicles, civil aviation special tankers, transport trucks, and emergency satellite communication vehicles. Its Sanitation Equipment production segment provides compressed garbage trucks, sweep trucks, sprinkler trucks, suction trucks, waste suction trucks, and dump trucks. Its Flexible Piping production segment manufactures the following products: metal hose, metal bellows expansion joints, automotive flexible tubes, non-metallic expansion joints, marine hose, and reinforced thermoplastic pipes. Its Chemical Machineries production segment offers pressure vessels, and low temperature storage and transportation equipment. Its Arts Engineering business provides forged artwork, and material casting services. The company was founded in 1865 and is headquartered in Nanjing, China.

Jiangsu Jingsheng Pipe Industry Co., Ltd., established on 2004-04-06, The business scope includes metal hoses,Flexible metal wire protection sleeve,metal connector,Bellows,Galvanized high frequency steel pipe,wool joint,Strip steel products,Bridge,Manufacturing of stainless steel products,processing,Sales,road general cargo transportation,Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that are restricted by the state from business operations and prohibited from import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Angang Steel engages in the production, processing, and sale of steel products in the People’s Republic of China. Its principal products include hot rolled sheets, cold rolled sheets, galvanized steel sheets, color coating plates, medium and thick plates, heavy sections, heavy rails, wire rods, seamless steel pipes, and cold rolled silicon steel products. Angang Steel also engages in ferrous metal smelting and steel pressing activities. Moreover, it sells building materials, etc.; provides wholesale and retail purchasing services; develops metallurgy and related materials and equipment; and purchases and sells metal and other materials, as well as imports, exports, wholesales, and retails technology products. Angang Steel’s products are used in various industries, such as machinery, metallurgy, petroleum, chemical, coal, power, railway, shipbuilding, automobile, construction, home electrical appliances, and aviation. It also exports its products. Angang New Steel that began operation in 1997 became Angang Steel in June 2006. It has its headquarters in Anshan in the People’s Republic of China as a subsidiary of Anshan Iron and Steel Group.

Proterial Ltd. engages in the manufacture and sale of products for automobile, electronics, and infrastructure industry sectors. It operates through the following divisions: Specialty Steel, Magnetic Materials, Functional Components, and Cable Materials. The Specialty Steel division includes high-grade special steel, rolls, steel and ceramic structural parts, injection molding machine parts, and soft magnetic materials. The Magnetic Materials division comprises of magnets and ceramic products. The Functional Components division consists of high-grade casting components for automobiles, piping and infrastructure components, and construction components. The Cable Materials division offers electric wires and functional items such as industrial wire, equipment wire, industrial rubber, cable processed products, automotive electrical components, and brake hose. The company was founded on April 10, 1956 and is headquartered in Tokyo, Japan.

Shanghai Nuclear Engineering Research & Design Institute is a Chinese company located in Shanghai and ultimately controlled by the Government of China that operates as a research and design institute for nuclear electric power in China.

Hose Master LLC manufactures metal house and expansion joints. Its products include corrugated metal hose, metal expansion joints, stripwound metal hose, petroleum flexible connectors, and food service flexible connector. The company was founded by Sam J. Foti in 1982 and is headquartered in Cleveland, OH.

China Metallurgical South Engineering Technology Co., Ltd., established on 2004-03-12, Business scope includes various industries,General contracting of construction projects at all levels,project consultancy,engineering design,Engineering Supervision;project management,Project construction;Environmental Impact Parity;Engineering cost consultation;Urban planning;pressure vessel,pressure piping design;Equipment,Development of automatic control system,develop,complete set of equipment,equipment manufacturing,Install,debugging;Contract overseas projects and domestic international bidding projects;Contract survey of overseas projects,consult,Design and Supervise Projects;Equipment required for the above overseas projects,Material export;Dispatch labor personnel required for the implementation of the above-mentioned overseas projects,technology development,technology transfer,Technical Services and Training,New Technology,New products development,to promote;Design and produce print advertisements,Use own<Ironmaking>magazine post ad.(Projects with special regulations in the country,Need to be approved or operate with a valid license)

Ningbo Hongwu Pipe Industry Co., Ltd., established on 2005-01-04, The business scope includes the new bimetallic corrugated hose,Metal bellows expansion joint,High-pressure hose,net set,pipeline,Electronic component manufacturing,processing;High-end architectural hardware,Plumbing equipment and hardware development,Production;Import and export of self-operated and agent goods and technologies,Except for goods and technologies that are restricted by the state or prohibited from import and export.

Zhejiang Leding Bellows Co., Ltd., established on 2000-07-10, The business scope includes metal hoses,central drain,Tank accessories,Ripple compensator,Machinery Parts,Hardware Accessories,Stamping,Electronic component,Auto parts processing,manufacture,Sales and Technology R&D,Technical Consulting and Technical Services;Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhangjiagang Wenda Metal Hose Co., Ltd., established on 2019-09-05, The business scope includes metal hoses,rubber tube,pipe fittings,Manufacturing of mechanical parts,processing,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Westfalia Metallschlauchtechnik GmbH & Co. KG, a subsidiary of Heitkamp GmbH & Co. KG, is a company headquartered in Germany. The firm supplies metal hoses.

Qinhuangdao North Pipe Industry Co., Ltd., established on 2003-07-22, Business scope includes bellows compensator,Non-metallic compensator,Metal Hose,Metallurgical equipment and spare parts,Metallurgical blast furnace air supply device,High-speed rail locomotive parts,Drainage,Waste heat recovery equipment,Power Equipment,water treatment equipment,Production and sales of metal additives for smelting;Steel deep processing and sales;Waste heat recovery project,power generation project,Water treatment project,cigarette,General contracting of dust control engineering;cigarette,Manufacture of dust control equipment,Installation and Technical Services;Energy saving and environmental protection technology,Technology development of water treatment technology,Technical Services;rubber products,Sales of other chemical products;Import and export of goods and technology;Site rental;software development;Computer System Services**(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Jiangsu Baixin Corrugated Pipe Co., Ltd., established on 1996-11-18, The business scope includes metal hoses and corrugated compensators,sleeve compensator,rotary compensator,Ball compensator,rubber hose,Heat Exchanger,flange,Elbow,Tee,pipe clamp,Custody,damper,sliding bearing,spring hanger,Brackets and Pipe Fittings,fastener,Oxygen-free copper rod,Copper row,copper wire manufacturing,sell by yourself;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts the company to operate and prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ezhou Shengli Hose Co., Ltd., established on 1996-12-02, Business scope includes packaging and decoration printed matter printing;Self-produced and sold aluminum hose;Self-operated and agent import and export business of various commodities and technologies(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Jinchuan Group Co. Ltd. engaged in mining, concentrating, metallurgy and chemical engineering and deep processing. The company produces nickel, copper, cobalt, rare and precious metals and also chemical products such as sulfuric acid, caustic soda, liquid chlorine, hydrochloric acid and sodium sulfite. The company is headquartered in Jinchang, China.

Westfalia Metal Components (Shanghai) Co. Ltd., a subsidiary of Heitkamp & Thumann KG, is a Chinese company. The firm supplies metal hoses.

Anhui Huatian Cable Co., Ltd., established on 2006-03-28, Business scope includes wire and cable,Special wire and cable,meter,Heat treatment parts processing,manufacture;Processing and purchasing of agricultural and sideline products(Except for projects that are not allowed to operate under national policies).

Jiangsu Chenguang Bellows Co., Ltd., established on 2007-05-18, The business scope includes metal hoses,net set,expansion joint,Tube blank,damper,Hangers,Custody,Compensator,Metallurgical machinery and equipment,Special equipment for environmental protection,water treatment equipment,Power station boiler auxiliary flue gas duct parts,Marine accessories,Various non-standard equipment,Industrial and mining rail vehicles(Without power),Pipe fittings,Filter Oil Collection Device,Recoil water diversion device and accessories,mixer,ball mill,Conveyor,Heat Exchanger,cooler design,manufacture,Sales;Self-operated and agent import and export business of various commodities and technologies(Except for import and export commodities and technologies restricted by the state and prohibited by the company).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:gas,Liquid separation and purification equipment manufacturing;refinery,Manufacture of special equipment for chemical production;Metalwork Repair;General machinery and equipment installation services;General Equipment Repair;Special Equipment Repair(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)