Five links/interlocking/customized/troubleshooting
24 hours customer service online system, we are on line 24/7, to provide you with services
  • Experts online

    Gather together the senior equipment experts in the industry to provide you with free professional technical questions to solve the technical problems.

  • Customer service online

    The 24-hour online customer service system provides you with one-stop professional services such as service outlet introduction, product consultation, technical support, complaint service and repair application, so as to ensure that your needs are quickly responded to, delivered and solved.

  • Network online

    The establishment of regional special service manager can provide "one-to-one" precise docking for customers, and help solve after-sales problems in the shortest time.

To provide customers with a complete range of crushing and screening equipment accessories
  • Multi cylinder cone broken - pressure ring
  • Multi cylinder cone broken - pressure cap
  • Multi cylinder cone broken - broken wall
Online Ordering

Longjian industrial group reminds you: in order to get in touch with you in time, please be sure to fill in your contact information and demand information, you can enter your requirements, such as the type of raw materials, capacity, feed size, size of the final product, etc.

You can also contact our 24-hour online customer service through online communication software. Longjian industrial group is committed to being your trusted partner.


Our company is a well-known mining machinery manufacturers and stone sand environmental protection equipment complete solution provider, one-stop for you to provide first-class service support and solutions.

National unified sales hotline: 400-023-0808

If you have any questions or concerns, please contact online customer service

Address: Kowloon industrial park, Wanzhou district, Chongqing

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