It is understood that the crane can achieve a self-propelled slope of 30 degrees, can be quickly dismantled and installed on a 30-meter by 30-meter platform, and also raises the height of wind turbines within 100 tons from 100 meters to 110 meters.
Zhengzhou Xindafang Heavy Industry Technology Co., Ltd. (formerly Zhengzhou Dafang Bridge Machinery Co., Ltd.) is a state-level high-tech enterprise specializing in R&D, design, manufacture, sales, installation services and equipment leasing. The company has formed serialized bridge erecting machines. There are more than 80 kinds of leading products in 8 categories, such as beam lifters, beam transporters, movable formworks, flatbed transporters, frame carriers, gantry cranes, and wind power cranes.
Up to now, Zhengzhou Xindafang QLY series wind power cranes have obtained more than 30 patents and have been listed as a major scientific and technological project in Henan Province. The results of the Henan Science and Technology Department identified that the whole machine technology has reached the international advanced level. In the face of the vast wind power construction field, the future Xinfangfang will continue to develop wind power cranes with a height of 120 to 140 meters to accelerate the capture of low wind speed wind power market.
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PVC Resin
PVC Resin is easy to process, and can be processed by molding, lamination, injection molding, extrusion, calendering, blow molding and other hollow methods. Polyvinyl chloride is mainly used to produce artificial leather, film, wire sheath and other plastic soft products, but also can produce plates, doors and windows, pipes and valves and other plastic hard products.
PVC Resin usually inculde carbide based and ethylene based. K66-K68 PVC RESIN, K59-K55 PVC RESIN, K71-K73 PVC RESIN. PVC RESIN SG5, PVC RESIN SG3, PVC RESIN SG8.
According to the different application scope, PVC can be divided into: general-purpose PVC resin, high polymerization degree PVC resin, and cross-linked PVC resin. General-purpose PVC resin is formed by the polymerization of vinyl chloride monomer under the action of initiator; high degree of polymerization PVC resin refers to the resin polymerized by adding chain extender to the vinyl chloride monomer polymerization system; cross-linked PVC resin is A resin polymerized by adding a crosslinking agent containing diene and polyene to the vinyl chloride monomer polymerization system.
According to the method of obtaining vinyl chloride monomer, it can be divided into Calcium Carbide method, ethylene method and imported (EDC, VCM) monomer method (the ethylene method and imported monomer method are commonly referred to as ethylene method).
According to the polymerization method, polyvinyl chloride can be divided into four categories: suspension polyvinyl chloride, emulsion polyvinyl chloride, bulk polyvinyl chloride, and solution polyvinyl chloride. Suspension process polyvinyl chloride is the largest variety in output, accounting for about 80% of the total output of PVC. Suspension method PVC is divided into six models according to absolute viscosity: XS-1, XS-2--XS-6; XJ-1, XJ-2--, XJ-6. The meaning of each letter in the model: X-suspension method; S-loose type; J-compact type.
Pvc Resin,Pvc Resin Powder,Pvc Resin Sg5,Pvc Resin K67
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