国产精品视频第一页_亚洲AV旡码AV日韩毛片_日韩精品欧美在线短片视频在线_欧美男同巨大粗爽gvvideos_欧洲亚洲日本电影_给我免费播放片国语电影最新短剧_国产高清视频hh_国产激情毛片无码专区_最近在线更新中文字幕8_欧美综合亚洲精品区

Guangzhou Yonglong Hardware Manufacturing Co., Ltd. was established in 1993, is the largest production scale in China is the strongest and most professional stud welding nail manufacturers. In 2006, the company set up in Hubei Yonglong Hardware Products Co. ltd..
In twenty years, we have become the leader of stud welding technology with high quality and innovative products. We firmly believe that "quality creates value", high quality product is the goal that we always pursue. From 1993, so far we have three thousand one hundred and forty-two kinds of specifications of the stud welding nail production experience, is China's earliest development, production welding nail (also known as stud welding, electric plug welding or bolt plant welding nail) professional manufacturers is welding nail production areas in Asia, one of the most authority and the strength of enterprise, is also currently the only a professional engaged in welding nail production, research and development of enterprise. Now, we have 34262.2 square meters production base, more than 200 employees. Sincerely look forward to cooperation with customers at home and abroad, we will provide you with the best products, best service.