Universal Tensile Testing Machine, Plastic Test Machine, Packaging Test Machine manufacturer / supplier in China, offering ASTM D1417 ISO 6295 Optical Contact Angle Tester Surface Energy Contact Angle Measuring Instrument, ISO 15989 ASTM D5946 Automatic Precision Electronic Water Drop Angle Measuring Instrument, ISO 15989 ASTM D5946 Contact Angle Goniometer and so on.