HJ Assembly bits for dilling
All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
Hejian Hengji Bit Manufacture Co., Ltd we have been in line with the belief of "faith-based, quality of survival and mutual benefit, provides the highest quality products and attentive service for our customers". We are looking forward to establishing relationships with you in the near future.
We welcome new and old customers from all walks of life contact us for future business relationships and achieving mutual success!