Dongguan Zuolong Machinery Co., Ltd. upholds a spirit to be down-to-earth and fearless in the development. Now we have many honors and certifications. Zuolong Machinery enjoys a superior geographical location with many transportation routes. This facilitates the going out of people and the transportation of goods. Since the establishment, Zuolong Machinery has always been focusing on the R&D and production of single needle sewing machine . With great production capability, we can provide customers with personalized solutions according to their needs. Zuolong Machinery not only has a great production capability, but also a professional technical and R&D team. We can continue to provide professional processing services. We are also available in customized services based on the picture or sample.

The three-phase sewing machine was mistakenly inserted into two phases without turning. Two-phase electricity can be used for household use, industrial, general household use is two-phase electricity, the voltage is 220 v if your industrial sewing machine is used at home, it must be two-phase electricity check whether the coil is positive.

My family has a sewing machine. when sewing insoles, there is always a problem of cutting the needle on the line. ask the master how to solve it? Thank you! 10 Teach you a simple way,Hot the noodle with boiling water,With the addition of point oil (that is, silicone oil), it is not easy to break the clip yellow,Change a needle,No. 16 needle.You try again.Are you a woman,

Is carbon steel lining the same as steel lining polypropylene? Liaojing technology answers for you: quartz sand mechanical filter is the earliest and most common in the field of environmental protection and deep sewage treatment.Quartz sand filtration is the most effective way to remove suspended matter in water,It is an important unit in sewage deep treatment, sewage reuse and water treatment,Its role is to further remove the pollutants that have already been activated in the water,Through the interception, sedimentation and adsorption of the filter material,Achieve the purpose of pure water.The new quartz sand mechanical filter has simple structure,Convenient operation and maintenance,The operation can realize automatic control,High filtration efficiency,Small resistance,Large processing traffic,Less backwashing.It is widely used in pretreatment of pure water, food and beverage water, mineral water and electronics, printing and dyeing, paper making, chemical industry water quality and filtratio