九七精品久久无码_波多野结衣初尝黑人138_两个人看的www在线_在线观看免费av无码不卡_亚洲av无码精品日韩_国产一级 片内射免费视频_高清国产不卡一区二区三区_美女扒开屁股让男人桶到爽视频_亚洲欧美日产字幕_色色网站永久网址

guidance
Top
綜合型高新企業(yè)

Integrated high-tech enterprise

 行業(yè)領導品牌

Industry leading brand

 一站式服務

One-stop service

 更精準更智能

More precise and smarter
About Walthmac
Customer’s satisfaction is our driving force
About us

The company integrates R&D, design, production, sales and service, and has a number of patent certificates. The products have passed many international certifications and have strong technical strength. In the past five years, the market shar......

1000+
Partner 10000+
Sales volumes 430920ton
Save raw materials 14year
Industry experience
Partner
Because professional so trust, because excellent so choose
  • 最終客戶
  • 滄州明珠
  • 偉星管業(yè)
  • 臺塑集團
  • 聯(lián)塑
  • 亞大集團
  • 優(yōu)派普
  • 公元
  • 東宏管業(yè)
  • 森普
  • 海麗管道
  • 川路
  • oem
  • 德科摩
  • 巴斯特
  • 巨遠
  • 金石東方
  • 格蕾絲
  • 方力科技
  • 金緯
  • 寶碟
  • 輝隆
  • 威利堅
  • 越升