155Total patents obtained
                                          8Invention patent
                                          143Utility model patent
                                          1Software registration

                                          A carbon nanotube reinforced composite pipe connector

                                          A graphene modified fluororubber and its preparation method

                                          A pouring method of elastic waterproof material for bridge expansion joint

                                          A kind of composite material for making connector

                                          A high creep and aging resistant rubber pad under rail

                                          A natural rubber compound to prevent adhesion with cement

                                          An engine oil seal fluororubber and its preparation method

                                          Invention -- a composite material for connector

                                          Patent of engine oil seal

                                          Din6701 bonding certificate

                                          Din2304 bonding certificate


                                                 Hilywill Laboratory is part of the Qingdao Municipal Technology Center Laboratory. It possesses a range of state-of-the-art testing instruments and equipment essential for rubber and polyurethane materials, including chemical analysis, material preparation, performance testing, and 

                                          molding processing. The laboratory comprises four departments: the Physical Property Testing Room, the Material Performance Testing Room, the Mechanical Prop

                                          erty Testing Room,and the Bench Test Laboratory. Included in the aforementioned are Mooney viscometers and ovens from the highspeed rail company, universal m

                                          aterial testing machines by Taiwan Yuken and MetS, a small open mill, micro melting point testers, ball indentation hardness testers,microscopes, glue curing time te

                                          sters, Brooke infrared spectrometers, Karl Fischer moisture testers, Netzsch red combination instruments, etc. These instruments operate at an advanced internation

                                          al level. Additionally, several sets of sophisticated oil resistance test bench equipment specifically designed for advanced oil seal products have been installed, thus c reating optimal conditions for product quality control and the development of new products.

                                          Salt spray testing machine

                                          Dynamic and static stiffness tester

                                          Drying box

                                          High and low temperature oil seal testing machine

                                          Air tightness testing machine

                                          Oil seal holding force testing machine

                                          Coordinate measuring instrument

                                          Low temperature bench test machine

                                          Servo universal testing machine

                                          Friction torque testing machine

                                          Valve oil seal testing machine

                                          Low temperature brittleness testing machine


                                          Quality management system certification (Chinese)

                                          Quality management system certification

                                          Railway product certification 3

                                          Railway product certification certificate 2

                                          Railway product certification certificate 1

                                          National industrial product production license 2

                                          National industrial product production license 1

                                          SGS Chinese

                                          SGS English

                                          Elastic plate under iron plate

                                          Production license

                                          Bridge expansion joint

                                          Rubber parts for fastener system of high speed railway

                                          Waterproof board