SERANG（西朗）凭借领先的专业产品和良好的品牌口碑，成为世界500强企业宝洁、联合利华、梅赛德斯奔驰、欧尚等合作供应商，与中国石油、中粮集团、中国南车、中国一拖、中国邮政、国家电网等建立良好的合作关系，为道康宁、ABB、钴领刀具、艾仕得涂料、爱科农机、旺旺集团、康师傅、统一集团、扬子江药业、天合光能、观音机场、康得新、沁园集团等提供工业门产品及配套服务。
目前，SERANG（西朗）旗下共有3个品牌联合运营，由行业资深专家主导技术团队，人均具有7年专业经验，拥有12项国际国内产品认证，各项专利15件，配套专业化生产工厂面积17500平方米，共为1200多家企业客户提供高品质工业门产品，并由中国平安财产保险承保1500000元保额，为客户提供多重产品安全保障！
SERANG (Silang) by virtue of leading professional products and a good brand reputation, to become the world's top 500 companies Procter & Gamble, Unilever, Mercedes-Benz, Auchan and other partner suppliers, and Chinese oil, COFCO, China South Locomotive, China a delay, the establishment of China Post, the national power grid and other good cooperative relations for Dow Corning, ABB, Guehring tool, Yishi a coating, AGCO agricultural machinery, Want Want Group, Tingyi, Uni-President Group, Yangtze River Pharmaceutical, Trina, Guanyin Airport, Kant new, Patio Group offers industrial door products and supporting services.
Currently, SERANG (Silang) There are three brands of its joint operations by industry leading technical team of experts, per capita has seven years of professional experience, with 12 domestic and international product certification, the patent 15, supporting the specialized production factory area 17,500 square meters, a total of more than 1,200 corporate clients to provide high-quality industrial doors by the China Ping An Insurance underwriting 1.5 million yuan insured amount, to provide customers with multiple product security!
西朗技术参数：
1.门体结构：采用2mm冷钢板，表面经高温粉末喷涂处理；
2.驱动装置：德国高速变频制动电机，效率更高，频率设定最低点6HZ即可达到输出额定扭矩。
3.电控系统：具有高性能、高可靠性、高稳定性、高精准定位等特点。同时运用变频控制技术，有软启动，缓停止功能，保证门体运转平稳增加使用寿命。可与机器人通信，安装方便，调试简单易懂；
4.限位控制：采用绝对值编码器，整体调试无需登高攀梯，只需在地面即可完成整体防护门上下到位动作定位；
5.开启速度：开启0.8-2.0/秒/关闭 0.6-1.2m/秒(变频可调速)。
