Heheng Company strives to deliver personalized service to our valued customers, in an effort to meet their special requirements on the design and performance of each product.
If you need customized products, please let us know by sending your product drawings, specifications, and applications to us via e-mail.

During Purchase
Sales service is carried out strictly according to the technical agreement signed by both parties. If you find any problems with our consumable parts that are caused by non-human factors, we can replace the parts free of charge. The product will be delivered on the same date as is required in the agreement.

Do I need to wash the hopper every time after use?
Yes, you do. After the pumping work is done, please do remember to clean the hopper to prevent concrete materials building up in the hopper. Accumulation of materials in the hopper is easy to cause the lower part of the S-tube valve to be worn out. are caused by non-human factors, we can replace the parts free of charge. The product will be delivered on the same date as is required in the agreement.