vvv成人观看视频-四虎影视永久免费观看在线-波多野结衣乳巨码无在线观看-999精品免费视频-欧美日韩aaa-一级片久久-成人性做爰av片免费看-精品一区二区三区欧美-东北少妇和黑人3p视频-a级黄色影片-国产精品亚洲а∨天堂免下载-日本系列第一页-美女脱了内裤张开腿让男人桶网站-激情三级在线-一本a道新久花碟-成 人 黄 色 视频播放165-在线激情小视频-222aaa免费国产在线观看-一本之道高清码狼人-成人一级黄色毛片

ABOUT KEKE

ABOUT KEKE

  Shaoxing Shangyu Keke Stainless Steel Ball Manufacturing Co., Ltd. (formerly Shaoxing Shangyu Sanlian Steel Ball Factory) is located in Sanlian, Songxia Street, Shangyu District, the umbrella city of China. The new standard factory is located in the Xiaowei Industrial Park at No. 388 Guangyang Road, Songxia Street, 13 kilometers from National Highway 104, 10 kilometers from National Highway 329, 10 kilometers from Hangzhou-Ningbo Expressway, 5 kilometers from the high-speed rail North Station, and 3 kilometers from Jiashao Bridge. The factory has an excellent environment and convenient transportation, making it a reliable supplier.……

PRODUCTS

PRODUCTS

NEWS

NEWS

  • 01
    Stainless steel does not mean it won't rust, but rather it is resistant to rusting. The principle involves the addition of chromium, forming a dense chromium oxide layer on the steel surface,
  • 02
    Chinese National Standards (CNS), Japanese Industrial Standards (JIS), and the American Iron and Steel Institute (AISI) use three-digit numbers to represent different types of stainless steel,
  • 03
    All austenitic stainless steel balls are typically non-magnetic; however, some magnetism may become evident after cold working.