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 best industrial 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.

May I ask if the process of making industrial sewing machine is complicated? What mechanical auxiliary production is needed? This I know a little bit,Definitely not comprehensive,First of all,It must be plywood,However So thick,Maybe I didn't sell such a thick sheet,Is it to buy a thin back and then pile it up?If so,Also have to stick layer table pattern What kind of board is that?Maybe it's a fire board,Scratch-resistant,Should stick it manually,If you have more money, you can get a machine like roller rolling,Then there is the general sawing Seiko plate cutting machine,But it can only cut the outer frame,In the middle of the hollowed parts, it is probably a woodworking milling machine,The last thing is paint,In fact, it is clear paint,You see, the side of the case plate is the plywood itself,No extra skin,Look at the layers.Okay,That's all,In fact, I was thinking about it,I hope to help you,Please inquire more about the actual purchase,The place where the board is sold asks how thick the thick

Top and bottom shop 170 each, sewing machine 700. not much use. sincerely, the price can be discussed First of all, let's check whether the needle is installed correctly,It's better to change a new machine needle.2, if still not,We went on to open the needle,Turn the needle to the lowest position,Look at the rotary shuttle tip from the machine needle 8mm or so.If yes,Then raise the machine needle 2.3mm or so,Look at whether the rotary shuttle tip coincides with the machine needle center.At this time, the needle and the tip of the shuttle can not be too tight,There should be 0.1 gap.3, sometimes the needle has a little bend will also jump the needle, the easiest way is to change the needle to try, if not, when the needle is installed, try a little bit, only a little bit, otherwise, it will break the line. sometimes such a simple operation is also very effective.4. it also has something to do with the thickness of your sewing.Thick things should be thicker,If the needle is fine, it will jump,If something thin,I

What are the water treatment processes? In general,Water treatment can be divided into physical, chemical and biological methods.The physical method has precipitation,Filtering,Ion exchange,Adsorption method,Membrane Separation Technology (reverse osmosis, ultra-filtration, etc ).Chemical methods include neutralization,Coagulation,Oxidation reduction method,Chemical precipitation method,Advanced Oxidation technology, electrolytic, electrodialysis, etc.The biological method has aerobic and anaerobic treatment methods,The aerobic method includes active sludge method, oxidation pond, biological membrane method and land treatment system.Anaerobic biological treatment, etc.The process is a combination of a certain method or several methods.Generally speaking, the sewage treatment process is divided into three levels: first-class treatment: through mechanical treatment,Such as grille, precipitation or air floatation,Remove the stones, sand and fat, grease, etc. contained in the sewage.Secondary treatment: bio