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    Fabricant de produits d'étanchéité intégrant recherche, développement, production et vente

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Industry application

  • When choosing a rotary joint, there are several points you must know.
    When choosing a rotary joint, there are several points you must know.
    When choosing a rotary joint, there are several points you must know.
  • The causes and solutions for the leakage of the rotary joint
    The causes and solutions for the leakage of the rotary joint
    The causes and solutions for the leakage of the rotary joint
  • The surface material of the rotary joint has a problem with cast iron and has been resolved.
    The surface material of the rotary joint has a problem with cast iron and has been resolved.
    The surface material of the rotary joint has a problem with cast iron and has been resolved.
  • The current application status of rotary joints at home and abroad
    The current application status of rotary joints at home and abroad
    The current application status of rotary joints at home and abroad
  • The brief working principle of the hydraulic rotary joint wrench
    The brief working principle of the hydraulic rotary joint wrench
    The brief working principle of the hydraulic rotary joint wrench
  • The disassembly and maintenance methods of the rotary joint
    The disassembly and maintenance methods of the rotary joint
    The disassembly and maintenance methods of the rotary joint

Core advantage

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Full Range of Products

We are a specialized manufacturer of seals for integrated‑steel and petrochemical industries with a comprehensive product range.

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Full Range of Products

We are a specialized manufacturer of seals for integrated‑steel and petrochemical industries with a comprehensive product range.

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Quality assurance system

We regard quality as our top priority and have established a sound quality‑assurance system to ensure every qualified product leaves our factory.

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Quality assurance system

We regard quality as our top priority and have established a sound quality‑assurance system to ensure every qualified product leaves our factory.

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Rapid/fast customization

We design products and supporting accessories with special purposes, models and specifications according to clients’ requirements.

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Rapid/fast customization

We design products and supporting accessories with special purposes, models and specifications according to clients’ requirements.

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Thoughtful After‑Sales Service

Our company undertakes to repair products free‑of‑charge for quality‑defect problems within one year and guarantees on‑site service available within 24‑hour notice.

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Thoughtful After‑Sales Service

Our company undertakes to repair products free‑of‑charge for quality‑defect problems within one year and guarantees on‑site service available within 24‑hour notice.

About Us

Shandong Tengzhou Zhonglian Heavy Industry Machinery Technology Co., Ltd

Teng Zhonglian is committed to maintaining and extending the service life of mechanical‑equipment, continuously developing and strengthening the company’s core competitiveness. We strive to grow into an industry‑leading and world‑class comprehensive group specializing in mechanical sealing, cooling and lubrication solutions.
The company consistently introduces and optimizes advanced manufacturing techniques and material‑selection standards from Europe, America, Japan and other regions. This enables continuous improvement of our full‑range products for easier selection and application by clients.
Our product lineup includes rotary joints, quick‑disconnect couplings, metal hoses and rubber hoses. These items feature precise dimensions, neat surface finish, compact and reliable structure, excellent interchangeability, leak‑proof performance, easy installation and prolonged service life. Custom‑designed products with special purposes, models and specifications are available tailored to individual client requirements.
Our products are widely adopted across petrochemicals, mining, glass processing, tobacco, power plants, papermaking, rubber, metallurgy and iron‑and‑steel sectors. They effectively reduce breakdown rates, boost working efficiency and cut operational costs, winning consistent praise from customers across diverse industries.

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In order to improve the user experience and improve our production technology, Tengzhou has been collecting real machinery handling questions and comments from the market, which we will analyze and provide answers to, and we will also adopt the favorable production ideas.

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