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Changzhou Desheng Superhard Tools Co., Ltd. 's main business covers the manufacturing and sales of diamond saw blades, diamond cutting tools, automotive cutting tools, circuit board cutting tools, floor cutting tools, CNC cutting blades, hydraulic shaft sleeves, alloy saw blades, electric tools, as well as mechanical equipment and accessories. In recent years, the company's business scope has expanded, adding new businesses such as import and export of goods, import and export agency, metal tool sales, CNC machine tool manufacturing and sales. These businesses not only meet the needs of the domestic market, but also actively explore international markets, enhancing the overall competitiveness of the company.

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.

I. Company Overview and Historical Heritage

Founded in 2005, YONEI started its modified plastics material business and expanded into distribution business in 2012. We now operate 3 manufacturing plants in Zhejiang Province with an annual production capacity of 40, 000 tons, very closed to Shanghai. In 2025, our sales reached 390 million RMB with an annual sales volume of 19, 000 tons.

Haining LIYA Technology Co., Ltd. is a high-tech enterprise specializing in the custom research, development, and manufacturing of high-frequency transformers and inductors. The company integrates advanced automation with meticulous craftsmanship to deliver stable, high-quality products that meet the rigorous demands of the global electronics industry.

Dongguan Xin Bao Instrument Co., Ltd with its own brand, OTS, has been dedicating in providing professional testing equipment with top quality since its establishment in 1978, It owns sophisticated and advanced technology in producing temperature and humidity chambers, climatic test chambers, environmental chambers, thermal shock test chambers, rain and dust test chambers, salt spray chambers, walk in /drive in test chambers and other customized test chambers, tensile testing machine, vibration test machine, Paper Packaging Testing Equipment, Luggage Testing Equipment, Furniture Testing Equipment, Leather and Shoes Testing Equipment, Mobile phone and PC Testing Equipment, Battery Testing Equipment, Plastic and Rubber Testing Equipment, Products made by OTS reach international standards: ISO, ASTM, DIN, EN, GB, BS, JIS, AMSI, UL, TAPPI, AATCC, IEC. They are also widely used in different area: R&D Institutions, Quality Inspection Institutions, Universities, electronics, communications, instrumentation, automobile, plastic, metal, Building materials, Aviation, etc.

Guangdong Guangce Instrument Technology Company Limited, located in Dongguan City, is a technology-based private enterprise engaged in research and development, production, OEM and sales of scientific and technological equipment manufacturing. Our company has 15 years of production experience, has various software and hardware design and research and development capabilities, and also have experienced and high-quality technical team and professional sales team. GuangCe's main business includes plastic physical properties, mechanics, environmental reliability, aging, and flame retardant testing instruments, among which the annual output of plastic polymer physical properties testing instruments ranks among the top in the country. And our products comply with GB, ASTM, ISO, JIS, EN, DIN, UL and other testing standard.

Suzhou Gujing Electronics Co., Ltd. is a professional inductor manufacturer with over 20 years of experience in OEM for foreign brand inductors, adhering to the 1+1 (business + technology) philosophy in serving customers.

Baoding Ningxin Group Co., Ltd. (NINGXIN) Focus on the manufacture and development of molten metal filters, serving the metal casting industry since 2002. NINGXIN is the ISO qualified company and has been providing metal filtration guarantee for more than 100 million pieces of ferrous and non ferrous castings annually, and serving more than 2, 000 metal casting foundries with high-quality filters and reliable services in more than 20 countries. We have a rich history of improving the wellbeing of those we serve through innovative foundry molten metal filter solutions, efficiency advancements, and efforts to promote a sustainable future.

Company profile

Dongguan Racesuper New Material Technology Co., Ltd., A leading national high tech enterprise located in Zhongtang Town Donguan City Specializing in the research development, production And sales of DTF (Direct to Film) technology, We pride ourselves on innovation in quality. With over 200 employees 13 state of the art coding lines and a dedicated team of 30+ R&D experts we produce a wide range of DTF including Instant Peel, Cold Peel and Hot Peel varieties Racesuper is recognized for its Excellent quality and industry leadership Backed by more than 60 national invention patents And certifications like ISO9001. We invite you to experience the Racesuper difference Welcome to Donguan and welcome to Racesuper! Dongguan Racesuper New Material Technology Co., Ltd., A leading national high tech enterprise located in Zhongtang Town Donguan City Specializing in the research development, production And sales of DTF (Direct to Film) technology, We pride ourselves on innovation in quality. With over 200 employees 13 state of the art coding lines and a dedicated team of 30+ R&D experts we produce a wide range of DTF including Instant Peel, Cold Peel and Hot Peel varieties Racesuper is recognized for its Excellent quality and industry leadership Backed by more than 60 national invention patents And certifications like ISO9001. We invite you to experience the Racesuper difference Welcome to Donguan and welcome to Racesuper!

Lianyungang Weizidom Meter Technology Co., Ltd is a high tech enterprise specializing in the research, development, production, and sales of water meters and flow meters. Headquartered and manufactured in Lianyungang, China, Weizidom is committed to delivering high-precision, reliable, and durable measurement solutions for various industries worldwide.

KINGSTONE is specialized in manufacturing and supplying refractories for steel-iron & Glass industry for over 20 years. KINGSTONE includes four factories in Xinmi and Anyang, Henan Province. The annual output is 30000 tons refractories for glass making and 250, 000 tons of refractories for steel-iron making. We have 860 sets of manufacturing equipment, 3 sets of EAF and 3000 m2 of assembly line.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Jiangsu Cera Termal Technology Co., Ltd.

Suzhou BAOSHI Test Equipment Co., Ltd. is located in Pudong District of Shanghai, China, Established in 2012; About 30 minutes' drive from Shanghai Pudong international airport to our company. Our own brand BAOSHI. Our company produces The temperature and humidity environment testing equipment includes programmable constant temperature and humidity testing machine, high and low temperature testing machine, rapid temperature change testing machine, and cold and hot shock testing machine. High temperature testing machine, Walk-in constant temperature and humidity testing machine, Walk- in High temperature aging testing machine Salt spray test chamber, UV weather resistance testing machine, Ozone Aging Testing Machine etc.

Shijiazhuang Qingquan Cellulose Co., Ltd. is a high-tech enterprise integrating scientific research, production and sales, and technical services. It has a complete set of advanced production equipment, adopts advanced German production technology, strong technical force, and complete and strict manufacturing and testing. The process and product quality are in compliance with relevant standards.

Zhenjiang Chunhuan Sealing Materails Co., Ltd(Group), a member of China Fluoroplastics commisious. Establish in 1985, now being becoming a leading company in China after more than 30 years.

Tai'an Hongfei Carbon Fiber Products Co., Ltd. is a high-tech enterprise integrating production, R&D, customized processing, sales and service. We boast a professional technical R&D team and advanced processing equipment for graphite and carbon-carbon products. The company has carried out technical cooperation and talent exchanges with well-known domestic universities such as Beihang University and Shandong University of Technology. By continuously absorbing advanced technologies from home and abroad, we have always maintained innovation vitality. With exquisite production technology and advanced manufacturing equipment, we produce and process a variety of carbon-carbon/graphite products according to customer requirements, and provide customers with one-stop services from design to processing.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

Liushun New Material Co., Ltd is located in the famous historical and cultural city-Linzi, close to Qilu Petrochemical Company and Qiqing Highway with superior geographical position and convenient transportation. It has good geographical conditions and resource advantages.

Wuxi MARET Technology Co., Ltd., formerly known as Wuxi MARET drying equipment factory, was registered in February 2008. In 2015, it was changed to Wuxi MARET Technology Co., Ltd.

Hefei Jingpu Sensor Technology Co., Ltd is a manufacturer work in researing, producing and saling of NTC thermistor and temperature sensor. We locate in convenient and anenitious national grade Hefei High& New Technology Industry Zone.

We supply a full range of products. We're pleased to get your inquiry and we will reply to you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers' demands" for the management principle, "zero defect, zero complaints" as the quality objective.

Zhengzhou Jansincere Refractory Complete Set Co., Ltd., founded in 1986, is located in Xinmi City, known asthe "Refractory Capital of China. "The company integrates product research and development, production, sales, and construction, providing complete sets of refractory products and integratedconstruction and masonry services to industries such as building materials (cement, glass, lime), metallurgy(steel, nonferrous metals), and environmental protection(hazardous waste disposal, powergeneration, and petrochemicals). The company comprises two production plants, a specialized kiln andmasonry engineering company, and a wholly-owned subsidiary(Shanghai Jianxin Branch).

Henan Yumo New Materials Co., Ltd. is a leading manufacturer of high-quality abrasive and refractory materials, specializing in white fused alumina, brown fused alumina, and silicon carbide. With three modern production bases spanning over 10, 000 square meters, the company operates multiple automated production lines and maintains a monthly production capacity of 10, 000 metric tons. Supported by a team of over 50 technical professionals and equipped with a high-precision laboratory, Yumo implements strict quality control throughout the manufacturing process. The company's comprehensive product range includes various grain sizes from coarse grits to micro powders (FEPA standards F8-F2000, P12-P8000), serving diverse applications in refractory manufacturing, abrasive tools, surface treatment, and precision polishing. Yumo's products are widely used in industries such as metal processing, automotive, aerospace, and electronics, and are exported to markets across Europe, America, Asia, and the Middle East. Adhering to the principle of "Quality First, Service Foremost, " the company is committed to providing reliable products and customized solutions to global customers. Through continuous technological innovation and sustainable development practices, Yumo continues to strengthen its position as a trusted partner in the global abrasives industry.

Jiangsu Yuxing Film Technology Co., Ltd. is one of the leading BOPET film manufacturers in China. Equips state-of-the-art production lines and testing equipments our products are of outstanding and consistent quality. We offer a wide range of functional Bo-PET film with thickness range of 50~400μ M. Our products and service are throughout fields of IT, LCD, electronic & electrical insulation, solar cell module and textile industry etc.

SANSHENG KNIFE SAW Co., Ltd. is located in Chibi High-Tech Industrial Park of Hubei Province, China. It has passed the ISO9001: 2015 international quality management system certification, with a registered capital of 10 million RMB and its own plant area of 20000 square meters.

Handan Tengfa Petrochemical Co., Ltd. is located in Handan City, Hebei Province, a historical and cultural city with convenient transportation and a well-developed logistics network. The company occupies an area of 9, 000 square meters and currently employs 180 staff members, including 8 senior engineers and 20 professional technical personnel. With an annual production capacity of 20, 000 tons, the company specializes in manufacturing high-temperature grease, No. 1, No. 2, and No. 3 lithium-based greases, extreme pressure composite lithium-based grease, calcium-based grease, molybdenum disulfide lithium-based grease, semi-fluid pump grease, white low-temperature grease, calcium sulfonate grease, polyurea grease, and other specialty lubricants.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.