Our main products are full-metal drilling elements, stators, common drill collars, spiral drill collars, integral heavy weight drill stems, integral spiral heavy weight drill stems, square drill stems, petroleum casing pipes and some other related products.
If you are interested in any of our items or need more information, please do not hesitate to contact us. We are looking forward to cooperating with you in the near future. [Details]
Shanghai Liangda Electrical & Mechanical Tech. Co., Ltd. - Company Introduce
Our main products are full-metal drilling elements, stators, common drill collars, spiral drill collars, integral heavy weight drill stems, integral spiral heavy weight drill stems, square drill stems, petroleum casing pipes and some other related products.