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ProTech grew out of XHL Plastic Co. In Guangzhou & Foshan, while we move to this larger production base in Zhaoqing in 2022.

Our company (brand: Kewei Shield)e) We are a manufacturerofrolling plastic packaging boxes, safety protection boxes, andfood insulation boxes that integrate research and developmentwith production, The company always adheres to the principle of"quality first, service to the heart" and is committed to building aglobal professional brand ofrotational molding products.

Shenzhen Lianxin IoT Technology Co., Ltd.

Wuhan Youlaixin Electronic Technology Co., Ltd. is a technology-oriented enterprise specializing in the R&D, mass production, and import-export trade of automotive electronic components. As an IATF 16949 certified supplier, we focus on delivering high-reliability automotive-grade products to global clients.

Sunway Industrial Development Co., Ltd. is specialized in neoprene products manufacture and design. Our company offers variety of products which can meet your multifarious demands.   Our product line includes can & bottle cooler, gifts and promotions products (all kinds of electronic products cases and golf header cover etc., such as mobile phone case, laptop case, CD case etc...), bags, sport supports, slimming products, wet suits and other products.

Senke electronic technology Co., Ltd. is a professional manufacturer of one-piece touch screen computer, founded in 2012, after more than 13 years of development, has three on-site factories in Guangzhou, Beijing, Shanghai and other places.

About PETRAM OPTICS

Our company have professional structural design and process design personnel who can assist customers in structural design and optimization. Through the preliminary analysis of FEA finite element, the maximum strength and the lightest weight are achieved to reduce the risks of new product research and development for customers. By adopting various high-end molding processes, the temperature and stress distribution during the product curing process are uniform, and the interlayer bonding of the pre-impregnated material is good, which can ensure the overall structural strength of the product components. The products are made by compounding epoxy thermosetting resin with carbon fiber, aramid fiber and glass fiber, featuring high strength, ultra-light weight, high temperature resistance and high toughness, meeting various product requirements of customers. The independently developed carbon fiber universal box, with military-grade quality and innovative design, has become a "mobile fortress" for high-end equipments.

Shenzhen Howing Smart Technology Co., Ltd. is a 15-year professional manufacturer and solution provider dedicated to commercial vehicle safety monitoring and intelligent vision systems. Headquartered in Guangdong, China, we focus on R&D, production, and global sales of ruggedized on-board electronic products for trucks, buses, trailers, and heavy-duty vehicles. With 15 years of in-depth experience in this field, we have built a full industrial chain layout integrating R&D, production, quality control and after-sales service, and earned a solid global reputation with strong R&D and production capabilities.

Dongguan Prosperity sports goods Co., Ltd is a professional manufacturer which is established in 2008 years. Our factory is located in Liaobu town, Dongguan city, which is famous for "world factory"in south China. It is close to Guangzhou and Shenzhen Port, only one hour by car, with favorable location and convenient transportation and fast shipping to port.

Founded in 1997, Changzhou Kent Plastic Packaging Co., Ltd is an enterprise specializing in the R&D, production and sales of plastic and paper products, with a 20000-square-meter headquarter in Changzhou, an economically developed city near Shanghai. It has invested and cooperated with more than 10 plants, with over 100 production lines, providing various plastic and paper products and base materials, including cushioning packaging materials, biodegradable packaging materials and functional packaging materials.

Shanghai Senke Electronic Technology Co., Ltd. is founded in 2012, Senke is a company specializing in touch and commercial display equipment integrating R& D, production, sales and service. Senke has branches in Guangzhou, Shanghai, Beijing, Nanchang, Xi'an, Hangzhou, Chengdu and Hu'nan. Senke has a factory, office area of more than 10, 000 square meters. The company's main products are teaching / conference integrated machine, touch inquiry machine, advertising machine, queuing machine, industrial control monitor and various touch display equipment customization, etc. Widely used in schools, government and enterprises, shopping malls, stations, banks and factory production lines, etc. We have won praise and support from many customers with excellent quality and perfect after-sales service. Corporate culture: Integrity, professionalism, seriousness, responsibility, innovation, pragmatismService concept: Integrity-based, technological innovation, mutual benefit Corporate values: Professional determines quality, integrity creates brand

Suzhou Jinfeixin New Material Technology Co., Ltd. is a professional packaging mailers manufacturer in SuZhou and less than one hour's way to Shanghai. We have been making the honeycomb kraft bags, composite film bubble bags, bubble films bags, Aluminized film bags, PE plastic bubble packaging bags, shrink films, winding films and other products according to customers'requirments since estabished in 2010.

Ningbo Sunyoung Enclosure Co., Ltd. is located in the center of the Yangtze River Delta-Cixi, Zhejiang. Convenient transportation, perfect supporting facilities and developed economy have brought unique resources to the company.

Our company Vive Gifts Co, Ltd mainly in the field of promotion gifts. We are a professional supplier engaged in the research, development, production, sale and service of tube bandana, cotton square bandana, headband, drawstring bag, canvas bag, scarf, Badges, etc. All of these welcome OEM/ODM. And all of our products comply with international quality standards and are greatly appreciated in a varity of different markets throughout the world.

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.

Yueqing Hong Xiang connector Manufacturing Co., Ltd. is a professional manufacturer of various king of high quality electric wire&cable connectors. Our major product is waterproof brass cable gland, which already obtains National Utility Model patent, the Patent no. Is ZL 2010 2 0530888.7. This patent product is designed in making circular step in the inner body, to make sure the waterproof sleeve will not do axial movement and there will be adduction patterns formed at both ends. This kind of cable gland has the advantage of sealing for both ends, better seal performance, simple structure and low cost. Now the protection degree of this cable gland is IP68.

Wiebrock Instrumentation (Wenzhou) Co., Ltd. is a leading manufacturer of industrial pressure and temperature instruments, specializing in measurement and control solutions. We integrate R&D, manufacturing, testing, sales, and OEM/ODM customization services.

BEXKOM was established in 2016 and is headquartered in Shenzhen, China, a leading brand in the connector design and manufacturing industry. Shenzhen, a city renowned for its high-tech innovation, has a population of over 17 million and is located in southern China, near Hong Kong.

Established on August 15, 2017,  Anhui Wanfeng Vehicle Co., Ltd.  is a professional enterprise integrating the R&D, manufacturing, sales, and service of electric vehicles. Located in Taibai Industrial Park, Dangtu Economic Development Zone, Ma'anshan City, Anhui Province, the company is a key government-attracted investment project. We are officially listed in the directory of the Ministry of Industry and Information Technology (MIIT) and hold the "First-class Motorcycle Manufacturing Qualification. " All our products comply with national standards and are eligible for official license plate registration.

Hebei Qinghe County Xiuxuan Seal Co., Ltd. Specializes in the production of various automotive seals, door and window seals, air conditioning seals, furniture seals, electrical seals, foam seals, mechanical seals, automotive windshield strips, door strips, decorative strips, skeleton. Zone. Extrusion seal, e type, p type, d type seal, rubber seal, 3-composite seal, high-density sponge steel 3-composite seal, 4-composite seal, soft and hard composite seal, soft and hard plastic composite seal, construction seal, modified PVC seal, plastic seal, advanced building rubber seal, aluminum alloy door and window seal, plastic steel door and window seal Strip, glass curtain wall seal strip, container door frame seal strip, cabinet door sponge rubber seal strip, refrigerator car door seal strip, adhesive seal strip, door glass chute seal strip, door foam seal strip, interior trim strip, door glass weatherproof strip, glass windshield glass seal, fire seal strip, barrier fuel pipe, rubber hose, silicone pipe, wire - winding hose, water pipe, air pipe, oil Pipe, automotive rubber seal, EPDM seal, viscose foam soft seal, sponge seal, seal, foam strip, glass strip, glass strip, glass waterproof tape, glass door seal, rubber molded products, mechanical seals, foam seals, seals, gaskets, special rubber gaskets, EPDM rubber molded products Rubber band, silicone tape, Scotch tape, dust proof adhesive Belt, elastic belt, plastic (PVC) strip, white strip, various specifications, models, colors. All kinds of rubber, silicone rubber, rubber, EPDM rubber products.

Foshan Haichuang Intelligent Technology Co., Ltd.  is a premier manufacturer and global supplier of high-performance electric bicycle components and systems, leveraging our extensive expertise in integrated design, research and development, and precision manufacturing to deliver a comprehensive range of innovative accessories that enhance the functionality, safety, and user experience of modern e-bikes, with our products being exported to over 30 countries across Europe, North America, Japan, South America, and Southeast Asia, where they have earned recognition for their exceptional quality, reliability, and compliance with international certifications including CE, FCC, and ISO standards, while our diverse product portfolio encompasses advanced LCD and LED display systems that provide real-time data on speed, battery level, and performance metrics, along with precision sensors for power monitoring, speed detection, and temperature control, all designed to seamlessly integrate with various e-bike models and compatible with multiple communication protocols such as UART and CAN bus, supported by our state-of-the-art production facilities featuring automated assembly lines and rigorous quality control processes that ensure consistent performance and durability, while our dedicated R&D team continuously develops cutting-edge features including mobile APP connectivity, customizable interfaces, waterproof designs, and energy-efficient technologies, all offered at competitive prices and backed by our customer-centric philosophy of "Quality Ensures Survival, Service Drives Development, " making us the preferred partner for e-bike manufacturers, distributors, and retailers seeking reliable, technologically advanced components that drive the future of sustainable urban mobility.

Tianjin Sijia Technology Co., Ltd. Was established in 2015 and is located in Tianjin. It specializes in the production and research and development of waterproof phone cases, swimming bucket bags, beach shoes, wading shoes, water shoes, and non-inflatable swimming rings and other water sports equipment. It has successively served central state-owned enterprises in the cultural and tourism industry, as well as chain water parks and hot springs such as Happy Valley Maya Water Park, Huaqiang Fangte, Chimelong in Guangzhou, Atlantis in Hainan, Poseidon in Harbin, and Yinzijia in Zhengzhou. It has long-term strategic cooperation with leading domestic brands such as Li-Ning, Xtep, Peak, Jordan, Hongxing Erke, Little Yellow Duck, Yimei Shan, Sanqi, and Kaidilong, providing better product experience and service. Since 2019, Sijia has entered the international market through a three-stage process of "certification first, then samples, and then bulk production". Currently, export business accounts for 45% of the company's production capacity, with direct customers covering 42 countries and indirect access to over 280 water parks and retail terminals worldwide.

Dongguan Xiangrui Leather Co., Ltd specializes in the development, production and customization of leather goods such as game card books, ID card holders, notebooks, electronic leather cases, pet collars, leashes and handbags. Established on March 9, 2010, it is located in Dongguan City, which is known as the World's factory! The total area of the factory is approximately 2, 850 square meters

Changshu Xingyu Hardware Products Co., Ltd., established in 2022, originally known as Changshu Guoyu Stamping Parts Factory, is a sole proprietorship specializing in metal processing and metal products. The company has earned customer trust through high-quality products, comprehensive services, practical pricing, and strict adherence to the ISO9001 quality system. It has established long-term partnerships with several well-known enterprises such as Jiangsu Tongrun Group, Jiangsu Baixue Electric Co., Ltd., and Changsheng Aluminum Products Co., Ltd. The company's business scope is extensive, capable of meeting diverse needs whether it is processing metal product components or manufacturing products.

Ningbo Luchen is a quality manufacturer of the best in PP corrugated sheet, storage boxes, dividers with PP hollow sheets, located in Ningbo, China. We can create a range of products and solutions to meet our customers' demands as leading plastic manufacturers Rely on innovative mode of operation and technology to lead the trend in PP corrugated sheet industry. Luchen also develop trusted cooperative relationship with customers and suppliers to create a mutual win situation. Luchen committed to provide "green" products for human low-carbon life, and make unremitting efforts to improve the quality of life.

Joy Sports Products Corporation Ltd specialize in neoprene sheet, neoprene fabric and neoprene finished products for over 10 years. Our main customers are Hugo Boss, Ronhill, PTL etc. We located in Dongguan where near Shenzhen and Guangzhou, enjoy convenient water, land and air transportation.

Ningbo Xinyue Artist Machinery Manufacture Company Ltd. Is an experienced company with a nearly twenty-year history. It specializes in producing aluminum cases. The transportation of the company is very convenient. It is located in Lubu Town, Yuyao, Ningbo, near Hangyong Expressway. The company has passed the ISO9001: 2008 Quality Management System Certification. The products of our company have also passed the quality verification from numerous overseas purchasers. Perfect and rigorous QC system is implemented in every process from material purchasing to finished products packaging. Scientific management ensures the stability of the product quality. Our company owns more than 200 sets of advanced and professional manufacturing equipments. The company can design and produce aluminum cases in many different sizes and usages. The company mainly researches and develops different kinds of aluminum cases, including aluminum tool cases, instrument cases, health care cases, entertainment cases and so on. The company, of which the products are with super quality and competitive price, is oriented by the demands of customers, and willing to provide high-quality products and excellent after-sale service for every customer. Your drawings and samples are warmly welcomed.

Innovation Plastic Industry Co., Ltd, also known as Innovation Glasses Case Manufacturing Co., Ltd. It is located in the biggest eyewear manufacturing base, Danyang City, Jiangsu Province.

Tsinglink is the excellent provider of 4G wireless high-definition security products and industry solutions. The company specializes in promoting technologies of video processing and intelligent analysis, as well as providing the high-quality differentiated 4G security products, professional industry solutions and superior security operation service for the global market.