欧美一区二区黄色_老司机久久一区二区三区_四虎免费精品_久热草精品_中文字幕无码精品亚洲资源网久久_亚洲HEYZO专区无码综合

CN
Patent
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

Laboratory

       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

certification

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

TS22163:2017

IATF16949:2016中文

2018版高新技術企業證書

防水生產許可證

防水生產許可證

防水生產許可證

主站蜘蛛池模板: 在线看一区 | 国产真人无遮挡作爱免费视频 | 东京热人妻系列无码专区 | 老熟女重囗味HDXX70星空 | 色欲久久九色一区二区三区 | 中国gay外卖高清xxxx | 免费看奶头视频的网站 | 欧洲无人区卡一卡二卡三 | 中文天堂国产最新 | av一区二区在线播放 | 精品服丝袜无码视频一区 | 无码专区中文字幕无码野外 | 日本一区精品视频 | 国产精品VA在线播放我和闺蜜 | 免费夜里18款禁用b站软粉色 | 漂亮人妻被中出中文字幕久久 | 天天干天天爽天天射 | 一本一道AV无码中文字幕﹣百度 | 久草热8精品视频在线观看 大地资源在线观看官网第三页 | 中文字幕色偷偷人妻久久 | 亚洲国产精品线路久久 | 无码人妻精品一区二区蜜桃百度 | 野花香视频在线观看最新 | 国产黄色片一级三级 | 少妇被粗大的猛烈进出A片久久久 | 青青草原精品国产亚洲AV | 久久99九九精品久久久久蜜桃 | 欧美一级毛片免费网站 | 中文乱码免费一区二区 | 一群黑人大战亚裔女在线播放 | 丰满人妻av无码一区二区三区 | 无码成A毛片免费 | 经典国产乱子伦精品视频 | 成全免费高清观看在线电视 | 羞羞午夜爽爽爽影视大全 | 四虎4hu永久免费 | 日本熟妇人妻xxxx | 精品一区二区三区东京热 | 国产成人一区二区三区a片 欧美乱子YELLOWVIDEO | 怡红院成永久免费人视频视色 | 久久久久国色AV免费观看 |