Welcome to Hengshui Longjie Rubber and Plastic Products Co., Ltd.

The company mainly serves leading domestic enterprises such as Beiqi Foton, China National Heavy Duty Truck Group, Dongfeng Motor Corporation, Shaanxi Automobile Group, and Yunnei Power, with a total annual output value reaching 200 million yuan.

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Complete vehicle product matching and engine product matching

Hengshui Longjie Rubber Products Co., Ltd

The company adheres to the business philosophy of 'quality first, integrity-based, and perfect service', actively exploring and continuously striving to meet the actual and potential needs of customers.

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High-quality products, high-quality service

Hengshui Longjie Rubber Products Co., Ltd

Always adhere to the principle of 'quality first, technological innovation, user supreme, and serving society', manage strictly, create a brand, and become a leader in the industry with high-quality products, good service, strict management, and advanced technology.

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ABOUT US

Hengshui Longjie Rubber & Plastic Products Co., Ltd.

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It mainly produces standardized low-pressure pipes, high-pressure wire braided hose assemblies, brake hose assemblies, steel pipe assemblies, polyurethane pipes, nylon pipes, bellows expansion joints, pipe joints, rubber seals, rubber and plastic accessories and other varieties, which are widely used in various industries such as automobiles, steel mills, petroleum, chemical industry, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

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Silicone tube

The products are widely used in various industries such as automotive, steel mills, petroleum, chemical, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

Silicone tube

The products are widely used in various industries such as automotive, steel mills, petroleum, chemical, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

Silicone tube

The products are widely used in various industries such as automotive, steel mills, petroleum, chemical, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

Silicone tube

The products are widely used in various industries such as automotive, steel mills, petroleum, chemical, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

Silicone tube

The products are widely used in various industries such as automotive, steel mills, petroleum, chemical, metallurgy, mining, construction machinery, transportation, shipbuilding, and textiles.

EPDM rubber hose

The rubber tube made from cotton yarn or other fiber yarn as the skeleton layer material is mainly composed of an inner rubber layer, a skeleton layer, and an outer rubber layer, which is produced through knitting.

NBR rubber hose

The braided layer of the woven hose can be interwoven at a balanced angle (54°44'), which gives this type of hose good pressure resistance and flexibility.

Injection tube

Manufacturer supply, quality assurance, high pressure resistance

Composite rubber hose

The rubber hose made of coated fabric (or adhesive tape) as the skeleton layer material is mostly produced by manual or semi-automatic winding and wrapping of adhesive tape. It mainly consists of an inner rubber layer, a tape winding layer, and an outer rubber layer.
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Qualification and Honor


Independent research and development at the same time, maintain high frequency industry exchanges timely introduction of domestic and foreign raw production technology, continue to improve quality.

Quality Management System Certification

Quality Management System Certification

Environmental Management System Certification Certificate

Environmental Management System Certification Certificate

CQC fluororubber

CQC fluororubber

CQC Product Certification Certificate

CQC Product Certification Certificate

Automotive air pressure (nylon) brake hose assembly
CQC Product Certification Certificate

CQC Product Certification Certificate

Automotive air pressure (rubber) brake hose assembly
Longjie E-Certificate

Longjie E-Certificate

Environmental Management System Certification Certificate (English)

Environmental Management System Certification Certificate (English)

Longjie S Certificate

Longjie S Certificate

Occupational Health and Safety Management System Certification Certificate (English)

Occupational Health and Safety Management System Certification Certificate (English)

Occupational Health and Safety Management System Certification Certificate

Occupational Health and Safety Management System Certification Certificate

Quality Management System

Quality Management System

Quality Management System (English)

Quality Management System (English)

Product certification certificate - CQC18013198556 automotive air pressure (nylon) brake hose assembly

Product certification certificate - CQC18013198556 automotive air pressure (nylon) brake hose assembly

Product certification certificate - CQC18013198558 automotive air pressure (fluororubber) brake hose assembly

Product certification certificate - CQC18013198558 automotive air pressure (fluororubber) brake hose assembly

Product Certification Certificate - CQC20013268594 Automotive Hydraulic Brake Hose Assembly

Product Certification Certificate - CQC20013268594 Automotive Hydraulic Brake Hose Assembly

Product certification certificate - CQC23013396615 vacuum brake hose

Product certification certificate - CQC23013396615 vacuum brake hose

Partners


The company mainly serves Beiqi Foton, China National Heavy Duty Truck, Dongfeng Motor Company, Shaanxi Automobile Group, Yunnei Power and other domestic first-line mainstream enterprises, with a comprehensive annual output value of 0.2 billion yuan.

Fukuda
Sinotruk
Shaanxi Automobile
Dongfeng Motor
Cloud Power
Northbound
Jiugang
Taiyuan Heavy Industry
Shantui
revo

Blog & Media


The company is willing to serve the community, cooperation and win-win corporate vision, warmly welcome friends from all walks of life to negotiate and guidance

14 Feb,2019

Hengshui Longjie Rubber and Plastic Products Co., Ltd. new website is officially launched.

Congratulations to Hengshui Longjie Rubber and Plastic Products Co., Ltd. on the launch of the new website.

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16 Apr,2019

Introduction to Sealing Ring Rubber Products

The Y-shaped sealing ring series includes products made from various materials such as fluororubber, nitrile rubber, and silicone rubber, widely used in various machinery, resistant to various petroleum-based oils and multiple chemical media: the non-glue types can meet temperature ranges of -60℃ to +300℃, with a pressure range of: <10MPa (hydraulic), <1MPa (pneumatic), <16MPa (static seal) for nitrile rubber, and the expansion rate for gasoline compatibility (90, 93, 97) is 0. 2. The Y-type sealing ring has products made from fluororubber, nitrile rubber, chlororubber, and other materials, widely used in industries such as hydraulics, machinery, and pneumatics. 3. The silicone rubber series is equipped with advanced testing equipment.

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25 May,2019

Characteristics of rubber and plastic products

1. When rubber products are molded, they are subjected to high pressure, and the cohesive force inherent in the elastomer cannot be eliminated. When demolding, there is often extremely unstable shrinkage (the shrinkage rate of rubber varies depending on the type of rubber), which requires a period of time to stabilize. Therefore, when designing a rubber product, whether in terms of formulation or mold, careful calculations and considerations are necessary. Otherwise, it is easy to produce products with unstable dimensions, resulting in poor product quality. 2. Rubber is a thermosetting elastomer, while plastics are thermoplastic. Due to the different types of vulcanizates, the temperature range for molding and curing also varies.

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02 Nov,2018

Introduction to the advantages and disadvantages of various rubber properties and their resistance to media

1. Silicone Rubber (Q) Silicone rubber is divided into heat-cured and room temperature-cured types. The heat-cured type is further divided into methyl silicone rubber (MQ), methyl vinyl silicone rubber (VMQ, which has the highest usage and product brand), and methyl vinyl phenyl silicone rubber (PVMQ, which is resistant to low temperatures and radiation). Other types include clear silicone rubber and fluorosilicone rubber. MQ is a colorless, transparent, high-viscosity, plastic, linear polymer compound, with a main chain composed of silicon and oxygen atoms, and the side groups connected to silicon are methyl groups, with a molecular weight between 500,000 and 800,000. VMQ is a colorless, transparent, high-viscosity, plastic, linear polymer compound, with a main chain.

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23 Apr,2019

Common issues with the inner rubber layer of high-pressure rubber hoses

If there are issues with the inner rubber layer of the high-pressure rubber hose, it will affect the normal use of the hose. Therefore, we sometimes need to conduct regular inspections. Today, I will discuss the common problems that occur with the inner rubber layer of high-pressure rubber hoses, hoping to help everyone. Let's take a look together. For example, if there is a rupture in the inner rubber layer of the high-pressure rubber hose, it is essential to promptly check the temperature of the hydraulic oil, as it may have exceeded the burst pressure tolerance of the high-pressure rubber hose. In such cases, the high-pressure rubber hose must be replaced immediately. Another issue is severe deterioration of the inner rubber layer of the high-pressure rubber hose. If it is deteriorated,

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05 May,2019

What types of corrugated pipes are there?

The corrugated pipe is mainly divided into metal (stainless steel, carbon steel) corrugated pipes and plastic corrugated pipes. Metal corrugated pipes are mainly used for compensating thermal deformation of pipelines, reducing vibration, and absorbing settlement deformation of pipelines, and are widely used in industries such as petrochemical, instrumentation, aerospace, chemical, electric power, cement, and metallurgy. Corrugated pipes made of plastic and other materials play an irreplaceable role in fields such as medium transportation, electrical wiring, machine tools, and home appliances. A tubular elastic sensitive element is formed by connecting foldable wrinkled sheets along the folding and telescoping direction. Its open end is fixed, while the sealed end is in a free state, and it uses an auxiliary spiral spring or leaf spring to increase elasticity. During operation, it is internal.

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