Introduction:
With nearly 50 sets of modern analysis and measuring instruments, LTWM conduct strict full inspection from raw materials to intermediate products, and to the finished products of our tungsten and molybdenum products (Tungsten, Molybdenum crucible, rods, tube, bar) as well as hot zone parts in sapphire grower. We adopt strict protection and maintenance measures for our equipments to ensure the enormous production capacity.

Our major quality instruments include: JEOL Scanning Electron Microscopy (with Energy Dispersive Spectrometer) (SEM/EDS), Inductively Coupled Plasma Emission Spectroscopy(ICP), 2m Plane Grating Spectrograph, Atomic Absorption Spectrophotometer, Visible Spectrometer, Electronic Metallurgical Microscope, Analyzer of Carbon and Sulfur, Analyzer of Oxygen and Nitrogen, Eddy Current Flaw Detector, Ultrasonic Flaw Detector, Powder Partical Distribution Laser Analyzer, Vickers Hardness Tester, Rockwell Hardness Tester, Three-dimensional Coordinates Precision Measuring Device, Tensile Testing Machine, Mitutoyo Vision Measuring Instrument, Plate/Sheet Punch Test Equipment, Height Measurer, Universal Tool Measuring Microscope, Standard Chemical Analysis, etc.

Our company has strong a research and development strength. We employ totally 560 staffs, more than 35% of whom are professional engineers and technical personnel. We arrange appropriate talents in each manufacturing process to ensure our products output in excellence. LTWM is the top machining technology provider in the field of tungsten and molybdenum products as well as hot zone parts in sapphire grower manufacturing. We have researched and developed lots of ultra high precise tungsten and molybdenum products.

Thanks to all these favorable factors, LTWM is awarded with Quality Management System Certification, Environmental Management System Certification, Identified High-Tech Enterprise Certification as well as Certification of Safety and Standard Production Enterprise. What’s more, our company is the member of China Tungsten Industry Association and China Association of Engineering Construction Welding (CECWA). We are also the Civilized Enterprises of Shanghai city and Tongzhou district. Latterly, we are awarded with Advanced Enterprise of Safe Production and Outstanding Scientific and Technological Enterprise of Tongzhou District.

Visible Spectrometer	2m Plane Grating Spectrograph	Analyzer of Carbon and Sulfur	Analyzer of Oxygen and Nitrogen	Atomic Absorption Spectrophotometer
Electronic Metallugical Microscope	Inductively Coupled Plasma Emission Spectroscopy(ICP)	JEOL Scanning Electron Microscopy (SEMEDS)	Powder Partical Distribution Laser Analyzer	Tap Density Measuring Device