Established in 1998, DSW Audio & Security Co., Ltd. has specilized in manufacturing Piezo siren & Alarm, Electrical siren, Battery backup siren, Outdoor Siren, Home Alarm, strobe light, magnetic contacts, reed switches, Moled Speaker Box, Car Speaker, Loudspeaker and PIR sensor, motion detector sensor, control panel, Power supplier, CCTV power supplier as well as innovation electronic items in China. With over 10 years combined experience the DSW staff can offer you the support it needs for state of the art design and now there are 20 staff work for DSW including technicians and engineers. It is usually takes 30 days to develop a new design and develop 20-30 new model each year. Our annual investment in R&D accounts for 6.5% of sales. More than 30% raw material is imported from Japan and Korea...

Manufacturer of tire testing machine, tire testing machines, paper making testing machines, packaging and printing testing machines, plastic and rubber testing machines, textile testing machines, apparel and nonwoven testing machines.

Manufacturer of air curtain, air curtains, cooling towers, SMC serial products, air ducts, fireproofing decorative boards, fan coils, air conditioning sets, fans, regulating valves, cable trays, expressway guardrails, electric control cabinets, FRP winding pipes, pultrusion products, purification towers, non standard anticorrosive equipments, thermal insulation materials, Aluminum alloy products. It has passed IS09001, CCC, ISO14001 certicifications. Products are exported to America, Korea, Greece, Australia, Egypt, Sri Lanka, Holland, India, Sweden, Syria, Vietnam, Singapore, Cambodia, Burma, Kirghizia.

Hairun Plastic Rubber (Shanghai) Co., Ltd. was established in 1999, which is located in Nanhui District Shanghai City. Our company specializes in manufacturing doors and windows made of Aluminum profile and PVC profiles, sunlight room and free-frame balcony and so on with middle and high quality. We invest more than 20 million yuan totally on the factory with area of more than 5000 square meters, moreover, we have more than 20 showing room in Shanghai, Nanjing, Wuxi and some other neighboring city.

Yonghua Copper & Aluminum Profiles Co., Ltd. is located in Foshan, one of the 4 famous towns in China. It passed ISO9002 quality system authentication and CQM authentication in 1999, won the honor of "Nationwide Enterprise with Clients" Satisfactory Services" in 2003. Yonghua enriches itself and at the same time scans widely throughout the world, positively promoting overseas market with its products selling well in Europe and America.

Wenzhou Renhe Hardware Decoration Co., Ltd., specializes in aluminium kitchen handle, zinc alloy and brass furniture handle, door stopper, cloth hook, and others. In so short time, we achieved dramatically progress because we have our own mentality to cooperate with our customers. We know well the variety requirement from different countries, we pay great attention to quality level and design and packing to meet our customers taste.

Engaged in the research of teflon coating, teflon coatings, custom metal parts, precision parts, welding components, machined parts, steel rollers, machinings, s355j2h tubes, alumium cases, cabinets, our mainly export market is North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe.

Shanghai Nautilus General Equipment Manufacturing Co Ltd. is located in Jiading district of Shanghai, P. R. China. It is held by the shareholders of INFINAIR ASIA LIMITED. The registered trade mark is infinair& reg: The company is a manufacturer of ventilation and relative equipment. INFINAIR shall become a company which is leading the development of the ventilation industry. INFINAIR shall have world-wide influence as a Chinese ventilation brand. Public Mission: Leading and accelerating the development of the ventilation industry. Product Mission: Stable and reliable, energy saving and protect the environment. Economic Mission: Provide "What I Need" products; scientifically reduce cost and win-win with customer.