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S4A Industrial Co., Limited is the Leader in the Access controller field in Shenzhen, China since 2006, We offer complete access control units and accessories, OEM & ODM are acceptable according to your request.

We specialize in the design, manufacturing, and distribution of a comprehensive range of locks and hardware accessories, offering diverse solutions for both residential and commercial applications. Our core product portfolio includes:

SHENZHEN TONGCHUANG MECHATRONICS Co., Ltd., Huizhou SLC technology Co., Ltd., founded in 2006, is a national high-tech enterprises and high-tech enterprises in Shenzhen, set research and development, design, production, sales in the integration of high-tech enterprises, all the research and development, production of products with independent intellectual property rights, the company focus on industrial security systems, research and development production Safety grating, Grating, Grating measurement, Safety relay module, Security door locks and other products, for customers to provide professional security system Solutions.

Linyi Zhongchen Chuanglian Electronic Technology Co., Ltd., established in 2008, is a professional manufacturer and solution provider specializing in entrance swing gates and EAS systems. Based in Linyi, Shandon, China's logistics capital and a crucial export hub in northern China, and leveraging its over 8, 000 square meters modern production base and fully automated production equipment, we consistently adhere to the principles of "technological innovation as the core, customized services as the wings, and global delivery as the pulse, " providing global supermarkets, apparel retailers, and other industry clients with security equipment that combines safety, aesthetics, and adaptability. The company holds numerous core technology patents and has obtained authoritative certifications such as EU CE and RoHS. Our products fully comply with international market access standards, and we possess mature OEM customization capabilities and global delivery strength. From R&D and design to production and delivery, the entire chain is independently controllable. We have served thousands of retail terminals across five continents, becoming a trusted security partner in the industry.

TBM timing tool set covers all kinds of core components required for the timing transmission system. Among them, the timing belt, as an important link in the engine air distribution system, ensures the intake and exhaust time accurately and accurately through the precise connection with the crankshaft and with a specific transmission ratio, just like the pulse of the human body, regular and accurate.

Shandong SHANSEN CNC Technology Co., Ltd. is the vice chairman of China CNcSystem Association, the chairman of Tengzhou City Machinery Industry Association, the specialized, high-end and innovation-driven little giant, the national high-techenterprise, the double soft enterprise, with a strong R&D team, complete technicalequipment and technology means. We have been operating according to lS09001 qual-ity management system and strictly implementing 6S site management. Up to now, wehave 100, 000 square meters of factory buildings, with an area of 180mu.

Botou Zecheng Environmental Protection Machinery and Equipment Co., Ltd., founded in 2019, is a high-tech enterprise integrating scientific research and development, production and processing, sales and after-sales service. The main products are light oxygen purification equipment, welding smoke purifier, catalytic combustion, light oxygen plasma, dust humidifier, bucket elevator, screw conveyor, buried scraper conveyor, discharger, star discharger. Single-machine dust collector, bag dust collector and other products; Dust removal cylinder, dust removal bag, dust removal skeleton, dust collector controller, pulse controller, pulse solenoid valve and other dust removal accessories, can also be customized according to customer requirements.

Founded on December 13, 1991, with over 30 years of experience in high-security physical protection systems. Specializes in high-security access control and sensitive material storage/transport management systems designed to protect governments, defense, financial sectors, and high-net-worth individuals against state-level professional threats.

Established in 2002, HANGZHOU SAFEDOOR AUTOMATION & HARDWARE Co., Ltd is the first & leading manufacturer making the interior swing door operator in China. With the constant persuit of high quality and diligent work, a group of professional technical engineers and a strong R&D team, we have expanded our product range into the full line of door & gate automation, access control system, and other door hardware series. With the competitive pricing, co-operative staff and excellent management system, we have gained a well-recognized reputation worldwide.

Ningbo Aikehan Metal Product Co., Ltd is located in 5th Floor. No 67, Jinxi Road. Ningbo city. China, Our cooperative partner is specialized in making Custom manufacturer of die casting mold, Aluminum die casting. Zinc die casting and Secondary operation, Specializing in high volume Custom-Made or OEM products and Sub Assembies prepared to Customer's design and specifications, The secondary operation include precision machining. Mechanical assembly as well as painting. Powder coating, electrical plating.

Over 25 Years of OEM/ODM Manufacture Experience

Wenzhou Tops Hardware CO. Ltd, one of the Best Leading Security Hardware producers in China.

Who We Are.

IDeal Intelligent Technology Co., Ltd., a world leader in security and automation system, mainly focus on RFID Readers, Vehicle Management and Access Control Systems.

We Furui established in 2003 specialize in the production and supply of custom special parts made from various materials. Our goal is to provide a comprehensive one-stop service for metal parts solutions to the global market.

Zhongshan Xinyu Technology Co., Ltd. - Leading LED Headlight & Auto Security Manufacturer in China

Goodvic Electronics is one of the technology-driven enterprises located in the Wenzhou region, specializing in the research, development, production, and sales of magnetic latching relays and manganin shunts. The company has successively obtained ISO9001: 2008 quality management system certification, ISO14001: 2004 environmental management system certification, and national Level 3 safety production standardization certification. The magnetic latching relays (load switches) developed for single-phase and three-phase energy meters have been awarded both international and national patents. The products have successfully passed VDE and national CQC safety certifications in one go, complying with IEC62055-31, UC3, and RoHS standards.

MayAir (Nanjing) Environmental Systems Co., Ltd located in Nanjing, established in 2008, is a well-known company in the industry with more than 20 years of environmental filtration solutions experience, its parent company is MayAir Technology(China) Co, . Ltd.

Jinan Allwin CNC Machinery Co., Ltd., based in Jinan, Shandong, is a trusted leader in the CNC machinery industry. Operating under our registered trademark Fwincnc, we specialize in delivering advanced cutting solutions, including laser cutting machines, plasma cutting machines, laser welding machines, laser cleaning machines, laser tube cutting machines, plasma tube cutting machines, plasma bevel cutting machines, and laser bevel cutting machines.

NINGBO HAISHU YESON MEDICAL DEVICE Co., Ltd is a high-tech company, who is engaged in the R&D, production and marketing of products of medical sterilization chain since 2005. We are aiming at being a world-class sterilization solutions supplier and committed to creating efficient disinfection space for users.

Founded in 2016, Guangzhou Leigu Technology Co., Ltd. is located in Chini Town, Guangzhou, Guangdong Province, within the dynamic Guangdong-Hong Kong-Macao Greater Bay Area. Benefiting from convenient transportation and a mature manufacturing ecosystem, the company has grown steadily over 9 years.

SUNJ Energy (Luoyang)Co., Ltd was found in 2017, covering an area of 333000m2 with a total investment of $47.24 million. Sunj is committed to R&D, manufacturing and sales of lithium primary battery, composite capacitor and thermal battery.

Established in 2016, Shandong Moland Environmental Tech Co., Ltd. Is located in No. 11889 Jingshixi Road, Jinan Economic Development Zone. It is an environmental protection technology enterprise specializing in research, development, manufacture and sale of efficient smoke purification system. The company is committed to reducing the environmental impact of production process, protecting workers from harmful gases and dust, and creating a cleaner working environment.

We are a technical-driven company in the manufacturing of horizontal sachet and pouch packaging machinery, bottle filling lines for a wide range of different sectors, like retail food & Beverages, pharmaceutical, cosmetic or chemical products, in many other applications, working from rollstock or pre-made pouches.

BND Filtration company is one of the quality manufacturer in the filter industry.

COTRUST Technologies Co., Ltd founded in 2003, is dedicated to R&D, manufacturing and sales of industrial automation control products. Relying on high quality, high performance automation control products and solutions to create maximum value for customers, determined to become the world's leading industrial automation solutions supplier.

Contec Medical Systems Co., Ltd. (hereinafter referred to as CONTEC) is a high-tech company which focuses on research, manufacture and distribution of medical devices since 1996, CONTEC locates in a beautiful seaside city, Qinhuangdao, and is one of the largest bases for R&D and manufacturer of medical devices in China.

Aister Instrument (Shanghai) Co., Ltd. is a comprehensive enterprise that integrates research and development, production, and sales of intelligent water meters, flow meters, level meters, and flow detection equipment. The company's primary product range includes thermal gas mass flowmeters, gas (liquid) turbine flowmeters, vortex flowmeters, precession vortex flowmeters, gas roots flowmeters, ultrasonic flowmeters, electromagnetic flowmeters etc.

Jiangsu Renhe Environmental Equipments Co., Ltd. is located in Jiangyin, Jiangsu. Which is one of the most prosperous and energetic cities in Southeast China. Only one kilometers away from the High way.

AIKSMED is an expert manufacturer of diversed sterilizers and autoclaves, ranging from Cassette Autoclaves for dental & ophthalmology clinics, Laboratory Steam Sterilizers for research organizations, Saturated Steam Sterilizers for garments and tools, and Superheated Water Cascade Sterilizers for liquid injections in pharmaceutical industries.