AV在线不卡免费,国产亚洲精品无码,天天射天天干,中文字幕在线制服丝袜,97人妻久久精品人人干,国产成人啪精品视频免费网,8090成人午夜精品无码

About Us


   Wuhu Zhongtian Seals Co.,Ltd is a High-Tech enterprise,specialised in designing,manufacturing and exporting many leading High-Tech machanical seals and seling parts with more than 40 patents we hold.We could offer customers seals of various types and materials for specific applications.


  Zhongtian Seals is located in southeast of Anhui Province,downstream of Yangtze River,near the cross of 318 and 205 national highways,2-hour driving to Huangshan Mountain,3-hour to Shanghai.Its convenient for customers domestic or overseas to visit Zhongtian.


mechanical seal

  Zhongtian has the foremost production,inspection assembly and managing sysem.Our products are strictly manufactured in accordance with ISO3069.DIN24690 and GB6556.And are widely used in many relevant industries,including in the fields of petroleum,chemicals,pharmaceutical,foodstuff,dyeing,water treatment and auto manufacturing.Our products are mainly enjoying popularity in Europe and North Ameria.Zhongtian Seals is expanding rapidly.


  Welcome to visit and contact with us.