Our company adhere to the business philosophy combining specialization and diversification , advance continuous improvement and development of the industrial chain. Currently we have eight subsidiary companies: 1.Shandong Tiankai Tungsten Industry Co., Ltd.- -Alloy production 2.Liaocheng Tianyi Road Machinery Co., Ltd. - - Road milling picks production 3.Shandong Tianshan Rock Drilling Tools Co., Ltd. - -Rock drilling tools production 4.Shandong Tianyin Mold Co., Ltd. - -Mold, shield tail brush production 5.Shenzhen Tiano Shield Engineering Co., Ltd. -- Shield construction consulting, maintenance and improvement of the shield machine.
6.Shandong Tiangong Tool Sales Co., Ltd.--Domestic market sales 7.Techgong(Shanghai) International Trade Co., Ltd.--Overseas market except Australia 8.Techgong(australia) Mining & Engineering Services Pty Ltd. - Australia and New Zealand market sales.
Company quality principle: Quality is our life; Innovation is the driving force; Continuous improvement for customer satisfaction! The direct management from our president of the technical quality department constitutes a whole process, more extensive quality management system covering top management to front-line staff . The factory has a series of professional testing equipment, including spectrometer, materials testing machine, cobalt magnetic measuring instrument,etc. and periodically test the equipment according to different proof standards .
Strict quality control process: Our company execute the ISO9000 quality management system, and operate strict quality control of every production process from raw material to packaging and storage. Each shield tool our factory manufactured has the serial number, so we can trace back to the raw material batches, process parameters and even operating persons. So do our picks! Our former chairman Liu Yuhai who has been engaged in machinery manufacturing technology research area for more than forty