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Dongguan Longji Plastic & Electronics Co., Ltd., established in 1997, is a specialized factory engaged in the R&D, design, production, sales, and service of precision products such as various gear dampers, vane-type one-way dampers, buffers, and closures. The factory is located at Room 201, Building 2, and Room 301, Building 4, No. 7 Jinming North Road, Xiegang Town, Dongguan City. With a registered capital of 5 million RMB, it currently occupies a factory area of 3, 000 square meters and employs 80 staff members. In 2002, the company obtained IATF 16949 and ISO 14001 quality and environmental management system certifications and strictly implements their operations and practices. In terms of quality, we continuously improve by absorbing advanced domestic and international technical expertise. During new product development, we refine our processes to stand out in the industry. Notably, our dampers utilize a unique silicone oil formulation, ensuring consistent damping performance within a temperature range of -40° C to 110° C. Environmentally, we use imported raw materials to ensure our damper products comply with RoHS requirements. The company is committed to building a professional, enthusiastic, efficient, and comprehensive customer service system, providing expert technical support and complete services in damper product selection, installation, and debugging. We have established a diversified customer base across various industries, including home appliances, automotive, sanitary ware, security, and household products. Thanks to our superior quality and excellent after-sales service, we have earned a strong reputation in the industry.

About Beijing Huayu Rongju Technology Co., Ltd.

Zhuhai Shengwo Machinery Technology Co., Ltd. (SHENGWO/SW) is a premier National High-Tech Enterprise specializing in precision metal manufacturing and integrated structural solutions. Leveraging years of extensive experience serving top-tier global multinationals, SHENGWO has evolved into a comprehensive one-stop solution provider integrating design, manufacturing, finished product assembly, and global logistics.

Shijiazhuang Woodoo Machinery Manufacturing Co., Ltd.

Our factory,  located in Xinbei District,  Changzhou with a plant area of 5, 830 square meters,  is a professional manufacturer and supplier of PVC pipes and fittings under the building & decoration materials industry.  We integrate R&D,  production and global sales of plastic pipeline systems for water treatment,  chemical transportation,  irrigation and construction drainage projects.

XICHENG EP Ltd is located in Guangming District, Shenzhen. It is an environmental protection equipment manufacturer focusing on the environmental protection industry for many years and specializing in the production and sales of environmental protection equipment and various accessories. We are committed to providing quality products and services to our customers in scientific management mode.

Dezhou Xinqi Purification Equipment Co., Ltd, branded as ZEN, was established in 2010, located in Dezhou City, Shandong Province, China. We are a modern professional manufacturer and exporter integrating product design, independent research and development, standardized production, global sales and cross-border e-commerce for HVAC purification and ventilation equipment.

Founded in 1996 and headquartered in Guangzhou, Yaoan Industrial is a professional manufacturer dedicated to the ventilation and fire protection industry. With nearly 30 years of persistent effort and solid development, the company has evolved from a specialized manufacturer into a benchmark enterprise with leading scale, technology and market competitiveness in the industry.

Heying Group is a collectivized enterprise professionally in developing, producing and selling precise plastic parts, auto parts, fasteners, standard parts and delicate plastic mold design and manufacture. It is market oriented and environmental protection responsibility assured. To meet the growing need of 21 century, it strives to develop non-pollution, corrosion resistance, non-conducting, light, environmentally friendly and artistic plastic products as succedaneum to metal fasteners.

We are the leading manufacturer of rotary damper started business in 1992 and established in 2006. We have 30 years manufacture experience. We have our own mold workshop, injection workshop, production workshop and test equipment. We have a skilled and experienced technology team.

Guangzhou Duonai Suspension Technology Co., Ltd. (here in after referred to as DN Technology) was established in 2016, and since its inception, the company has been striving to develop a wide range of high-end nitrogen shock absorbers based on know-how imported from France. By adhering to the principles of research and development of core technologies and active promotion of innovation, DN Technology has dedicated itself to providing the highest quality products and services for car sports competitions both domestically and internationally. It has been the reliability and outstanding performance of the products that have earned recognition among an increasing number of racing teams and drivers. At the same time, DN Technology has also gained valuable experience in racing, laying a solid foundation for the next product upgrades and iterations.

With three machine and 100 square meter of space, Haining ZhengLi Rubber & Plastic Factory started its custom rubber part manufacturing business on January 1st, 1993. Founder Yuezhong Wang and his family built the company from the ground up on a foundation of commitment, hard work, quality service & products, and family values which are "To Be Honest, To Do Best".

Hebei Luze New Material Technology Co., Ltd (a member of Kinlong Group, stock code: 002791)is a top technology-driven manufacturer specializing in seismic isolation devices and energy-dissipation devices-offering R&D, production, and sales for critical infrastructure worldwide.

WestTop®: High-Performance Anti-Wear & Energy-Saving Solutions

Jimu Automation Technology Co., Ltd was established in 2015, Which is one of the leading manufacturers in China of dampers, latches, torque hinges, shock absorber and molding injection parts. We have advanced production equipments, processing and testing lines. We also provide all kinds of mould products of customization, so OEM / ODM order also accepted.

Baoding Sihedan Electric Technology Co., Ltd. is a professional manufacturer of power systems and transmission and distribution line materials, providing diverse solutions for the global energy sector.

Located in Haining, Jiaxing City, Zhejiang Province, we are a professional manufacturer and exporter specializing in fullrange HVAC ventilation system products. Our factory integrates product researchanddevelopment, sheetmetal processing, production and global export sales, providing onestop ventilation solutions for worldwide engineering customers.

Profile of Hebei Xuchi Electric Power Technology Co., Ltd.

GUANGZHOU OCTOVENT COOLING EQUIPMENT Co., Ltd

Shanghai Qinuo Industry Co., Ltd was established in the year of 2013 at Shanghai Free Trade Zone, we are a professional rubber seal manufactory specialized in the Oil & Gas filed, Qinuo is a new and high-tech enterprise integrating R&D, production and sales. Since its inception, we adhering to the "Quality for Survival, Innovation Competes For Development " concept, continuous development and innovation, we won a good reputation at home and abroad, we are current using Royal Way & SHQN two brands to do the marketing in the energy industry.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

KIM CHEN INDUSTRY INTL LIMITED was founded in 2001, It is located in Dongguan City.

Zento Trillium Metal Tech Co., Ltd. is a professional metal components supplier based in Tianjin, China. We focus on HVAC metal parts, sheet metal fabrication, metal stamping and CNC machining service for global buyers. Our main product range includes HVAC access doors, duct dampers, spiral duct fittings, ventilation grilles, metal stamped parts, custom sheet metal components and CNC machined parts. We adopt galvanized steel, stainless steel, carbon steel and aluminum as raw materials, with surface treatment options like galvanizing, powder coating, painting and anodizing. We can supply standard HVAC products, meanwhile provide OEM & ODM customized service according to customers' drawings or samples. Our metal components are widely applied in commercial buildings, industrial plants, hospitals, schools and data center ventilation & air conditioning systems. We stick to strict quality control for every order. With reliable quality, competitive price and on-time delivery, we have built stable cooperation with clients from Europe, North America, Southeast Asia and other regions. We sincerely welcome global customers to contact us for inquiries and win-win cooperation.

Qingdao SHAOSHI International Trading Co., Ltd. Was founded in 2003.

Zhongshan Zhengbai Technology Company Ltd. Is a professional manufacturer with 15-year-long experience specializing in the research, development, production and sales of rubber vibration dampers. Located in Zhongshan City, Guangdong Province, we have accumulated rich practical experience in rubber-metal bonding technology, material formulation optimization and product structural design over the past fifteen years. Our core product line covers various types of rubber vibration dampers, rubber shock absorbers and anti-vibration mounts. These components are widely applied to multiple kinds of machinery and equipment, including generators, air compressors, pile hammers, road rollers, as well as automotive systems. Our anti-vibration parts effectively reduce vibration transmission, absorb impact shocks, lower operating noise, protect key mechanical structures from fatigue damage, and extend the whole-service life of host equipment. During our 15-year development journey, we have kept improving our production workflow. We own complete production facilities, including rubber compounding workshops, vulcanizing production lines, metal-surface-treatment stations and finished-product inspection laboratories. Strict quality-control standards are implemented throughout raw-material incoming inspection, in-process manufacturing monitoring, and finished-product performance testing. We pay close attention to rubber material durability, oil resistance, aging resistance, high-low-temperature adaptability, so that our vibration-isolation products can steadily perform under harsh working conditions of heavy-duty engineering machinery and power-generation units. With solid technical strength, we can supply both standard-model anti-vibration mounts and support customized development according to customers' actual working-condition requirements. Our engineering team is capable of adjusting rubber hardness, static-dynamic stiffness parameters, and product dimensions. We can also carry out new-product mould-opening services to match different installation spaces, load weights and vibration-reduction targets for generators, construction machinery and automobile equipment. In terms of business performance, our vibration-absorbing rubber products are sold to domestic markets and exported to many overseas regions. We maintain stable long-term cooperative relationships with numerous equipment manufacturers, machinery assemblers and trading partners. By relying on reliable product quality, reasonable price positioning and responsive after-sales communication, we have earned consistent trust and positive feedback from our clients. Looking into the future, Zhongshan Zhengbai Technology Company Ltd. Will continue to focus on the vibration-reduction industry. We will keep investing in material-formula upgrading and product-structure innovation, further strengthen quality-management systems, optimize production-efficiency, and strive to deliver more competitive anti-vibration solutions for global customers in power-generation equipment, engineering construction machinery and automotive fields. We sincerely welcome friends from all over the world to contact us for technical consultation, sample testing and business cooperation.

Toptailss Technology company is founded by a group people from engineers, purchasing manager, and business development who are focus on providing the best suitable products and service to customers especially longtail small buyers. We have wide connection of supply chain and is good at purchasing and delivery the products just you want.

Zhengtaifeng Co., Ltd. Was established in 1992 in mainland China. The company specialises in the design, production, and sales of winding machine equipment used in linear structures, tension control systems, wires and cables, textile mechanical and electrical industry nozzles, warping machine parts, complex alloy products, spraying ceramic rollers and ceramic products, coils, wireless charging module PCBs, and precision machinery processing and manufacturing.

The business scope includes: General projects: Manufacturing of refrigeration and air conditioning equipment; Sales of refrigeration and air conditioning equipment; Fan and fan manufacturing; Sales of fans and blowers; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of mechanical equipment; Motor manufacturing; Manufacturing of electric dynamometer motors; Sales of electric dynamometer motors; Sales of distribution switch control equipment; Sales of metal materials; Retail of hardware products; Sales of insulation materials; Manufacturing of insulation and soundproofing materials; Sales of insulation and soundproofing materials; Manufacturing of metal products for safety and firefighting purposes; Sales of electrical equipment; Manufacturing of architectural decoration, plumbing components, and other metal products for building use; Sales of glass fiber reinforced plastic products; Sales of metal products; General equipment repair.

China quality made, win-win solution!

Since 2011, GFIHVAC has been dedicated to the HVAC industry, beginning with galvanized duct (GI duct) and pre-insulated duct manufacturing. Over the past 13 years, we have steadily expanded our operations, establishing and investing in new production facilities to enhance our capabilities.