Shandong Haida electronic technology and Trade Co., Ltd.   

我公司位于无棣县锦绣城，主要生产铅封系列、铅封线系列、铅封钳系列、钢丝剪系列、施封锁系列、塑料封条系列、高保封系列、表箱锁系列、变压器防盗锁系列、电表箱系列、变压器防窃电防护套系列、子母锁系列（每把锁是单开、有两把或两把以上钥匙通开这些锁）等产品，也可根据客的需求订制与众不同的产品，从而提高产品的安全性，我们有着23年的生产经验,从个体发展到具有规模的公司,我们通过质量管理体系认证业、我们施封锁具有造价低、防窃性能好的特点，目前已畅销全国各地和国外广泛适用于各种运输行业：如铁路运输、航空货运、港口货运石油运输、化工产品运输、邮政局运输、药品运输等各种行业，增设此产品可防止不必要的损失。 It can also be used for power supply company's meter box, measuring box, high and low pressure cabinet, branch box, electric meter and changing box. This product has good performance in preventing electricity stealing, and has won the acclaim of various trades. It can also design and manufacture more sealed locksets for you according to the special requirements of users. Since the beginning of its establishment, we have been adhering to the spirit of "deepening reform and striving for unity" and adhering to the scientific management and pioneering work as the focus of our work. We have comprehensively implemented specialized management, advanced mechanical equipment, strong technical force, complete testing facilities and perfect quality system. Each of the more than 130 products has passed all kinds of quality testing and product identification. We have strong technical force, complete testing methods and excellent product quality, so that we have established a good reputation in our new and old customers, and formed a long-term stable cooperative relationship.