青青青国产91蜜臀一区二区_国产日韩精品情侣AV_国产在线91国语_日本黄a在线网站大全_A在线视频这里只有精品_亚洲丁香五月亚洲欧美_天堂欧美城网站网址_影视自拍高清无码_粉嫩嫩国模无码大尺度视频_国产亚洲欧美日韩在线爱豆

Company Profile

Company Profile

     Shanghai Weishiwen Ventilation Engineering Equipment Co., Ltd. is a wholly-owned enterprise of Hong Kong Visawen (International) Co., Ltd. in Shanghai. Its predecessor is the famous Shanghai Weishiwen Air Conditioning Port Co., Ltd. The company is located on the south bank of the Huangpu River, close to the urban area and the Pudong New Area. The geographical position is superior and the transportation is convenient.

     The company has fixed assets of 40 million yuan and 160 employees, of which middle and senior technical personnel account for 25% of the total number of employees. Since 1994, the company has introduced the Japanese AMADA company universal CNC punching machine, CNC folding and scissor truck sheet metal production line and the American TRIDAN company's air conditioner production line. The company's products have also expanded from the original air conditioning tuyere series to fire dampers, exhaust valves, air volume control valve series, muffler and high efficiency air filter air supply series. In order to better adapt to the requirements of modernization and market, the company has been committed to the development of new products in recent years. It has independently developed special-shaped air outlets such as temperature-sensitive air outlets, low-temperature air outlets, anti-condensation air outlets, and variable-flow swirling air outlets. Air valve series new valve. Shanghai Weishiwen products are well-designed, reliable in quality, beautiful in appearance and complete in variety. All products are in line with relevant national standards. In 1999, the company passed the ISO9001-2000 international quality assurance system certification by the Beijing New Century Quality Argument Center; the British National Quality System Certification Center (NQA) quality system certification.

      As always, the company pursues the principle of "quality first, perfect service, fair competition" and will give better products to you. We hope that our cooperation will make you more successful! HVAC designers and users are welcome to use Weishi products.



















主站蜘蛛池模板: 国产做受 高潮久久五通魔神 | 国肉精品国产三级国产专区52部 | 亚洲精品 日韩无码 | 卡通动漫自拍偷拍 | 福利姬视频免费观看 | 西西A片免费国产 | 欧美性爱视频在线播放 | 国产睡熟迷奷系列精品视频 | 中文字幕免费在线观看 | 影音先锋av在线观看 | 中国免费黄色网页面 | 中文本幕 的搜索结果 - 91n | 影音先锋一区二区 | 中文字幕,在线一区 | 亚洲国产精品一二三区芒果浏览器下 | 黄色视频在线观看了 | 国产全肉乱妇杂乱视频 | 熟妇按摩高潮呻吟在线视频一区二区 | 新疆一级婬片A片免费 | 91丨国产丨白浆秘 喷淫网站 | jizz亚洲少妇 | 激情五月日韩欧美 | 色情脫衣舞在线观看视频 | 成人A片免费观看几分钟 | 性一交一乱一A片久久99蜜桃 | 120分钟做爰免费视频 | 中日韩美一级黄片 | 亚洲中文字幕动漫 | 亚洲三区在线观看无套内射 | 欧美性猛交XXXX乱大交俱乐部 | 69人妻人人澡人人爽人人精品 | 国产精品久久久无码精品成人软件 | 美日韩作爱xxxx | 欧美特黄A级高清免费大片A片 | 寡妇高潮一级毛片免费看大胸 | 日本高清免费不卡一区二区三区在线 | 缅甸淫色视频成人网 | 国产无套 免费网站69 | 夜色激情小说色五月 | av在线免费播放 | 成人无码区亚洲AV久久 |