Shenyang Dongli Titanium Co., Ltd. is a professional company, our quality control department has three experts. They are hydraulic expert, laboratory and analysis expert,and I am a flaw detection expert. I have been engaged in quality control work for more than 20 years, and I have rich experience. From the test of raw materials of titanium sponge, to the titanium tube rolling process control and to the test and analysis of finished titanium tube, I will strictly supervise every process to ensure that every product is qualified and delivered to customers safely.