Reply to technical consultation

Provide design solution

Detailed quotation & plan

Modification of production plan

1500+Service Persons Waiting for You


According to Env-Guard's business scope, we have established a strong team of installation engineers, which are divided into several parts according to business, including shredder design team, metal processing team and copper wire crushing team. Each team is composed of young, middle-aged and old engineers to fully meet business needs and achieve talent training goals.



At Env-Guard, we adhere to the principle of providing customized design solutions for each customer. Relying on the professional knowledge of the sales manager and the service of the whole product life cycle, we help customers overcome difficulties in equipment procurement, operating cost accounting, operation management, and after-sales service acquisition, improve profitability, and achieve sustainable business development.


Design scheme

Profit calculation

Operation management


100+after sales visit team

Integrating R&D, production, distribution and service, Env-Guard attaches great importance to communication with customers. We have established an after-sales visit team consisting of more than 100 persons. On the one hand, they timely solve the problems that our customers encounter; on the other hand, they collect feedback and improvement recommendations from our customers, to correctly orient our development and research.

  • Starting the mode of Internet of Things (IOT) to assist our customers in regular testing and commissioning and to provide technical instructions.
  • Providing services covering the whole life cycle of project to avoid turning backs on customers' needs after projects are put into operation.

100+online service team

Wherever you are, domestically or abroad, you can contact us at any time because Env-Guard has established an online consultation service team consisting of more than 100 persons who provide 365 days×24 hours services for customers.

24h full-time service


50+lecturer team

We provide comprehensive trainings for the technicians of each project. We can also continue to provide support for the technicians during latter project operation. Tracking utilization results of equipment is also the responsibility of the training lecturers to ensure smooth operation of projects. The trainings include:

  • Systematic

  • Installation

  • Equipment

  • Trouble

  • Equipment

  • Equipment

  • Core

  • On-site

  • Manufacturing

  • Material

Complete Procedure--- from Order to Machine Delivery

Division of labor makes us more professional

Env-Guard has established a complete management system from initial consultation, solution design, on-site visit, machine preparation and shipment to after-sales feedback, to effectively ensure rapid and timely transmission of information so that the specialized services and technical supports can be provided by the correct persons at the correct time.


Four steps ensuring safety and efficiency of machine preparation and shipment

Keeping in mind a Chinese old saying that “Jade must be cut and chiseled to make it a useful ware” (a person must be disciplined and educated to be a useful citizen), Env-Guard has always been upholding the spirit of craftsman at every stage, especially for the stages of machine preparation and shipment.

Checking order

With the sales contract, the order tracking clerk checks the models and quantities of machine and spare parts for machine preparation.

Quality test before delivery

Upon completion of the manufacturing of equipment, the quality inspector strictly checks quality of every machine with the checklist.

Check items when packing

Before packaging and shipment, the order tracking clerk checks the packaged items again with the packing list to avoid loss of items.

Packaging and transport

Professional packaging and modular solution of transportation guarantee the safe and smooth delivery.

Specialty installation & commissioning ensuring successful acceptance of production line

Depending on customers' needs, Env-Guard's installation engineers can provide on-site guidance in infrastructure construction, equipment installation and commissioning, as well as trial operation of entire production line. If technical items meet the design criteria, the customer will sign the certificate of conformity.

Installation preparation stage

Checking the purchase order; counting the items with the purchase order; checking the dimensions including evaluations of the items with the drawings.

Equipment installation stage

Install the main equipment and accessories according to the installation drawing.

Equipment commissioning stage

Check the equipment again. Before putting the project into use, the commissioning is done to ensure the operation meet production demands.

Project acceptance stage

Provide the certificates of conformity and test reports for main materials as well as the documents of equipment (user's instructions, certificate of conformity, etc).

Quality Warranty

Terms of Warranty

Env-Guard provides a half-a-year quality warranty for its products, excluding vulnerable parts (Customers can have faulty products repaired, replaced and returned for free.) Direct expenses related to the warranty, such as, freights, charges of spare parts, and expenses for accommodation of warranty technicians shall be borne by Party B or by subtracting them from the contract specified payment for goods. Party A shall not be liable for the above-mentioned expenses and any indirect losses beyond the contract. However, Party A must dispatch technicians for instructions when Party B is responsible for the expenses for accommodation of technicians.

One-year quality warranty

Env-Guard provides a one-year warranty for its shredders, metal shredders, copper wire shredders and other equipment, which will take effect after passing the project acceptance. When applying for warranty, the user should present the warranty invoice and certificate. The maintenance cost of damage caused by the quality of the machine shall be borne by Env-Guard. For details, please refer to Env-Guard Installation Confirmation Voucher, and Env-Guard User Information Card.


Complaint handling system ensuring rapid and proper handling of complaints

For complaints about production line operation from customers, we undertake to complete problem identification and solution offering within 24 hours, and solve the problem within 3/10 days for domestic/foreign customers.

identifying problem
solving problem

Professional and technical personnel quickly solve your difficulties

Division of labor makes us more professional

Env-Guard has established a complete management system from initial consultation, solution design, on-site visit, machine preparation and shipment to after-sales feedback, to effectively ensure rapid and timely transmission of information so that the specialized services and technical supports can be provided by the correct persons at the correct time.

One-click solution to difficulties

Why Are We Acknowledged as STRONG?

  • Manufacturing strength
    • 300,000 m2 manufacturing base
    • 3 heavy-duty modernized manufacturing and assembly workshops
    • Nearly 100 sets of domestically advanced large vertical turning lathes and planning machines
  • Processing ability
    • Ageing process is adopted. Precision tools are utilized.
    • Advanced processes are designed from research & development to quality inspection. Great importance is attached to both standard operations and on-site improvement.
  • Standardized manufacturing workshops
    • Running independently
    • Scrap metal recycling equipment construction base
    • Multifunctional Shredder Construction Base
  • Quality inspection
    • Precise tools for quality inspection
    • We are committed to the development and research of multiple models of shredders to provide customers with high-quality products and services.


In order to provide customers with better service and solve the difficulties encountered by customers faster, hunzhi Machinery has established its own laboratory, which can provide services such as factory test machine and remote video connection. The factory test machine service allows customers to bring the raw materials to the factory to test the machine in person. A video link service allows customers to view various machines online.