Ethylene amines refers to the acyclic ethylenediamine polymer products, as an important fine chemical intermediates, ethylene amines in organic synthesis, medicine, dye, pesticide, chemical fertilizer, rubber plastic additives, organic solvents and epoxy resin curing agent, and other fields has been widely used. which become to be one of the fine petrochemical intermediates for the development of China. Ethylenediamine (EDA) is a very important intermediate, mainly used to produce EDTA(chelating agent) and TAEDA(bleach activator), can also be used to produce Organic Dye, Dye-fixing Agent, coating, pesticide, etc. Piperazine can be used to produce anhydrous piperazine, n-methyl piperazine, n-ethyl piperazine, pharmaceutical intermediates, fluperacid, halogen free flame retardant, triethylene diamine. Piperazine has been exported to India and Japan.
Ethylen Amine Series,Intermediates Diethylenetriamine Deta,Acyclic Ethylenediamine Polymer,Intermediate Piperazine Hydrate NINGBO LUCKY CHEMICAL INDUSTRY CO. LTD , https://www.nbluckychemical.com
This machine works with upper roller,lower wheel and needle feeding synchronized, ensuring smooth sewing at all times, even when joining together other material for overlap sewing.Needle feed ensures constantly supply of thin and thick material. no matter it moves straight forward or makes turns.Also suitable for sewing spongy materials, no crinkle or transform will occure instead the stitch is very smooth and neat.Low friction between the parts because ball and needle bearing are used. Easy maitenance and long service life.
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Single Needle Roller-feed Post-bed Machine
ZY9910
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Double Needle Roller-feed Post-bed Machine
 ZY9920
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Model NO.: ZY9920
Type: Sewing Machine
Trademark: ZOYER
Transport Package: 63*25*56
Specification: SGS
Origin: Taizhou
DOUBLE NEEDLE! Â POST BED! Â