  +86-23-88901306           +86-13983391036           sales@topoilpurifier.com
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We provide direct, reliable and thoughtful pre-sales and after-sales service

Pre-Sale Service

Free on-site installation, debugging and technical training 
——Offered by strictly trained technology application engineers.
Professional pre-sale model/configuration selection advise and technical support —— Offered by experienced technician.

After-Sale Service

  • 01
    The warranty period is 24 months from commissioning acceptance date on. After the warranty period is over we provide lifelong maintenance and technical service.
  • 02
    We guarantee the maintenance time no more than 3 working days and response time within 1 hour.
  • 03
    We build instrument service profile for our clients to record the product service and maintenance conditions.
  • 04
    After instruments start service, we will pay follow-ups to collect the service conditions.


  • Q How is the technical services on the product?

    A Engineer available to service machinery overseas. If you have any technical question, you are welcome to contact us any time. We will response promptly and answer to your satisfaction. If required and necessary, we can send our engineer to your place to provide technical support.
  • Q How long is the warranty period?

    A We warrants the plant supplied under agreed specification against defects in material and workmanship under normal use and service for a period of 2 years after start up of the system. 
  • Q How long is the product date of delivery probably?

    A Delivery date differs with product type, order quantity, special requirement etc. Usually our big machine delivery date is around 10 ~ 20 days; test equipment or analyzer delivery date is around 5~10 days. Some products have stock, contact us anytime to get more information.
  • Q What are the available delivery methods?

    A Our port location: Chongqing, Shanghai or other main port of China
    Delivering to: Worldwide
    Delivering method: by sea, by air, by truck, by express, combined transportation
  • Q What payment methods are supported?

    A Payment: By T/T, Paypal, L/C, Western Union,Alibaba Trade Assurance etc. 
    Payment terms: Generally, T/T 40% advanced, the balance paid by T/T when the machine is ready; if the order is big, we also accept 100% irrevocable L/C at sight. 
  • Q What is the mini order quantity?

    A MOQ: generally 1 unit/piece/set
  • Q Are you the manufacture or trading company

    A We are one of the leading manufacture for oil purifier and testing equipment in China.

Chongqing TOP Oil Purifier Co.,LTD.

Located at Chongqing city--a southwest electromechanical manufacturing center as well as national municipality, Chongqing TOP is a professional leading manufacturer and supplier of oil purifiers and various related testers.

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    NO. 1, Jianlong North Rd, Jiulongpo District, Chongqing, China

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