TRM group was found in 2002, It was grouped by 3 parts: TRM manufactor, which in charge of Multi-functional drilling machine producing, TRM foundation drilling union, which collecting foundation drilling works and machines information and sharing the information with clients, TRM Topping Bearing, which involving in all brands of foundation drilling rigs’maintaining and repairing. All 3 parts work together makes us a specialist in foundation construction. 　　 We are the only one who specialized in foundation drilling in china, and we are also the first one who pass the “National Construction Machinery Quality Test” and the first one to apply CE International Certificate in china. Now we have the most complete series of multi-functional Foundation Drilling Machine. If you have any enquiries, please kindly send us the e-mail at *****, or you could contact me at +86-159-0520-3425, thank you for your attention, we will offer you the best product with the most competitive price.