adjustable height coupler300+ factories verified

Ningbo Tower Machinery Co., Ltd is a group of manufacturing established in 2006, offering one-stop solution for quality mechanical products with total lower cost in China.

Liangshan Jiuzhou Machinery Manufacturing Co., Ltd. is located in Shandong Province, the production base of trailers in China. We are the most favored professional designer and manufacturer of semi-trailer parts.

Ningbo Tengyuan Machinery Manufacturing Co., Ltd. is a professional manufacturer specializing in the design, development, and production of trailer towing parts and suspension systems.

Tianjin Tiantai Formwork&Scaffolding Co., Ltd. (referred to as Tiantai Formwork) is a national high-tech enterprise deeply engaged in the field of green building formwork. It was established in 2018 and is headquartered in Hedong District, Tianjin. The company has an independent production base located in Tangshan, Hebei Province, covering an area of 300000 square meters. It currently has more than 120 employees and focuses on the research and development, production, sales, and service of formwork products. With innovative technology, it empowers the high-quality development of the construction industry and is committed to becoming a leading comprehensive solution service provider for large-scale green building formwork at home and abroad.

Below is an expanded and more polished version suitable for a corporate profile, website "About Us" section, or international marketing materials. The tone is formal and aligned with B2B and industrial communications.

At Ningbo Rato Hardware Co., Ltd, we specialize in creating reliable hardware products. We're one of top manufacturer in the LOCK PRODUCTS. Our range includes:

Shandong Pinzheng Metal Products Co., Ltd. (formerly Rizhao Weijie Metal Processing Factory) is located in the coastal city of Rizhao Economic and Technological Development Zone, Shandong Province. Our company was founded in 1998, the workshop covers an area of more than 20, 000 square meters; There are 130 employees, including 11 engineering and technical personnel, and 110 skilled forging and processing personnel.

Hongde Ruilin Metal Structure Manufacturing Co., Ltd is located in Dezhou City with convenient transportation, next to Tianjin and Qingdao Port, and Highway.

Yantai Chengtai Construction Machinery Co., Ltd is one of the professional manufacturer for excavator hydraulic breaker in Yantai city, shandong, China with area of 5000 square meters workshop. Specialized in manufacturing soosan SB series hydraulic breaker more than 10 years. Chisel diameter from 35mm to 195mm. Suit for 0.5ton to 60 ton excavator. We have several high precision production line, include Korea Doosan CNC, Doosan and so on which lay a solid foundation for products Precision machining.

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.  

Shandong north autotech co.Ltd is a modern enterprise specializing in the research and development and supply of core components for trailer chassis.We are always adhered to the core mission of "providing one-stop chassis solutions for the global trailer manufacturing and modification fields".With a rich product matrix, precise market positioning and reliable quality assurance, become a highly competitive supplier of trailer chassis components in the industry.In the core product field of axles, the company has established a product system covering the full load range from 3, 500K to 15, 000K, which can not only meet the flexible demands of light trailers but also adapt to the high-intensity operation scenarios of heavy trailers, comprehensively covering multiple fields such as agriculture, logistics, outdoor leisure, and engineering transportation.To achieve the service goal of "one-stop matching of trailer chassis", the company has further expanded a complete supporting product system beyond its core axle products, covering the key components required for the operation of trailer chassis.Among them, the landing jacks series includes manual jacks and electric jacks, featuring strong load-bearing capacity and smooth lifting, providing solid support for the parking and loading/unloading of trailers.Hardware products include high-strength u-bolts, connecting pins, fastening kits, etc., all of which are processed from high-hardness steel to meet the connection requirements of various chassis components and ensure structural stability.The design of leaf spring products enhances load-bearing capacity, making them suitable for heavy-duty freight trailers and engineering equipment trailers, and effectively disperses the pressure on the chassis.The trailer mover is specially designed for the movement of trailers in confined spaces.It is easy to operate and has a strong load-bearing capacity, solving the problems of trailer parking and dispatching.The guide wheel series includes heavy-duty swivel wheels and directional wheels, which are suitable for the bottom support and movement requirements of trailers, enhancing the flexibility of use.In addition, the company has also launched supporting products such as vehicle-mounted refrigerators and air conditioners for scenarios like outdoor camping and long-distance transportation, to meet the expansion of trailer functions and users' comfort needs.Since its establishment, the company has always adhered to the business philosophy of "high-quality one-stop service", and has established a strict quality control system for all products - from the raw material procurement link to the production and processing process, precision machining equipment and standardized processes are adopted.Before the finished products leave the factory, multi-dimensional tests such as load tests, weather resistance tests, and performance simulation tests are conducted to ensure that each product meets industry quality standards and customer usage requirements.In the future, shandong north autotech co.Ltd will constantly optimize the product system and service capabilities, and enhance the technological content of core products and the richness of supporting products.We are committed to providing global customers with more efficient, convenient and reliable one-stop solutions for trailer chassis, and promoting the high-quality development of the trailer manufacturing and modification industry.

We are a professional manufacturer of container twist lock with about twenty years experiences. There are more than ten kinds of twist locks meet different customer needs.

Yantai Shengxin Construction Machinery Co., Ltd. is a modern manufacturing enterprisecommitted to independent R & D, production and sales of various supporting operating devicesof excavators. Located in Fushan District, Yantai City, Shandong Province, the company has acutting-edge technology R & D group and production technology.

Rizhao Fast and Fasten Scaffold Co., Ltd. Was established in 2004. We are located in Rizhao City nearby seaport of Qingdao.

Cangzhou Xinyue metal products Co., Ltd., was established in 2016-01-27, registered capital of 1 million yuan, enterprise address is located in Cangzhou City, Hebei Province, paper room bridge village, the industry for metal products, business scope includes: Ductile casting, hardware, scaffolding parts processing, sales, goods and technology import and export business (subject to be approved according to law, approved by the relevant departments can carry out business activities)

Yantai Hope Precision Machinery Co., Ltd. Was officially established in 2006 in Yantai, a coastal city with beautiful scenery. Since its establishment, the company has been always focusing on the field of excavator attachments and their accessories. It has been working painstakingly in the technical research and development as well as sales and service of products such as crushing hammers, wood grapples, vibratory rammers, and quick couplers, accumulating profound industry experience and technical strength.

NORD is one of the leading suppliers of scaffolding system and formwork solutions in China. We make construction work more economical, faster and safer. NORD has many years of experience in the scaffolding business and is one of the industry's leaders in innovation and production. Our plants for scaffold production in Wuxi and Tangshan with the highest quality standards. In our Tangshan Factory, there are 11 cutting machines, 21 punching machines, 20 auto wedding machines, 60 hand wedding machines, and 20 Argon Arc welding machines and so on. The production capacity is 5000 tons per month.

Cangzhou Sheen Metal Products Co., Ltd. is a modern architectural support system solutions provider integrating R&D, design, production, and sales. Specializing in the manufacturing and service of Frame scaffolding systems, scaffolding Tubes and couplers, steel props, Ringlock Scaffolding, Cuplock Scaffolding, Kwistage Scaffolding and scaffolding accessories like Scaffolding Caster Wheel, Adjustable Screw Jack, ect. The company adheres to the philosophy of "**Quality as the Foundation, Innovation as the Soul**. " Committed to delivering safe, efficient, and durable construction support products, we empower the thriving development of engineering projects worldwide.

Founded in 2021 and headquartered in Cangzhou, Zhite Building Materials is a comprehensive construction material service provider integrating R&D, production, and sales. With years of expertise in building support systems and scaffolding solutions, we have become a trusted partner in the industry through innovative technology, rigorous quality control, and efficient customer service.

Rizhao Canghai Machinery Co., Ltd. Stands as a premier manufacturer and exporter of high-quality scaffolding and formwork systems, dedicated to supporting the global construction industry. From our strategic base in Rizhao City, Shandong Province, we leverage unparalleled logistical advantages to serve our international clientele with efficiency and reliability.    Strategic Location & Global Reach Our proximity to Qingdao Port-merely a 1.5-hour drive away-is a cornerstone of our operational excellence. This prime location facilitates streamlined logistics, reduces lead times, and ensures cost-effective shipping, allowing us to respond swiftly to global demand. Our products are 100% exported and have earned the trust of clients in demanding markets across Western Europe, Northern Europe, North America, South America, and Australia, where the highest standards of quality and safety are non-negotiable.    We specialize in designing and manufacturing a full spectrum of construction support products, renowned for their durability, safety, and ease of use. Our core product lines include: Formwork System, Formwork Accessories, Ring-lock/cup-lock/kwickstage scaffolding System, Scaffolding Couplers and Accessories.     Uncompromising Commitment to Quality and Innovation Quality is embedded in every step of our process. We pride ourselves on our team of professional technical and quality control staffs, many of whom possess over a decade of industry experience. Our dedicated R&D team leverages this deep expertise to drive innovation and continuous product improvement, ensuring our solutions meet the evolving needs of the market.     Each product undergoes a rigorous inspection process in our state-of-the-art facility, strictly adhering to international standards including EN 74 and BS 1139. This commitment guarantees that every item bearing our name delivers exceptional performance, safety, and reliability on job sites worldwide.     Rizhao Canghai Machinery Co., Ltd. Stands as a premier manufacturer and exporter of high-quality scaffolding.

Our company brand was founded in 2004, the factory is more than 3000. We are servicing innovation company specializing in providing one-stop solutions for customized high precision hardware, CNC milling & Mahcining parts, CNC turning & Lathe parts, CNC high speed Swiss type lathe machine parts, stamping parts, podwer metallurgy parts, casting and forging parts, construction tool for precast concrete parts, such as shuttering magnets, insert magnet, lifting system, fixing system. The products are widely exported to Europe, The America, Oceania and East Asia, other middle and high-end markets, our cooperative partners in more than 30 countries. Our technical team has several engineers and senior technicians with 15 years of experience in intelligent manufacturing. Our suppliers are large and authoritative material suppliers, as well as the avant-garde equipment suppliers around the world.

Ningbo Harsco Machinery Co., Ltd is a professional manufacturer of steel wheels and trailer parts in Ningbo, Zhejiang Province, China since 2016.

Qingzhou Hongyuan Vehicles Co., Ltd was established in 2005 and has 19 years producing and exporting experiences of construction machinery and agricultural machinery.

Foshan Dragon Stage Equipment Company is a factory enterprise. It has been in the field of stage equipment since 2008.

Tianjin Wellmade Scaffold Co., Ltd Is a Government Supported Manufacturer and Exporter in China, Located in Tianjin, China. It Is One Branch of Tianjin Steel Group Which Is Established In Year 1980s. In Year 2001s, The Company Starts In Scaffolding and Formwork Manufacturing and Exporting, With Branches of Tianjin Wellmade Scaffold Co., Ltd, Nanjing Wellmade Metalwork Co., Ltd.

Bestar Doors, established in 2006, is a leading manufacturer of overhead doors, roll up doors, and related hardware parts in China. We have support 32 overseas partners to become top 3 in their local market in the past 19 years.

Ningbo Yinzhou Nord Machinery Co., Ltd. is a compositive strength company, engaged in different fields of parts manufacturing. Now we successfully own three subsidiaries, they are Parfect Casting Limited, Parfect Forging Limited & Parfect Engineering Machinery Co., Ltd.

In 2005, Yantai Juxiang, a manufacturer of excavator attachments, was officially established. The company is a technology-driven modern equipment manufacturing enterprise. It has passed ISO9001 quality management system certification and CE EU quality management system certification.

Company Profile.

Taizhou Cland import and export Co., Ltd. Was founded in 2023 (previous company name was