Using acrolein, diethyl oxaloacetate and ammonium chloride as raw materials, under the presence of catalyst in ethanol, the reaction is heated under reflux, and the quinolinic acid ester is then hydrolyzed to obtain a product after cooling.
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We supply jewelry packaging box of luxury pu leather. We are manufacturer of Jewelry Packaging & Displays. Most of them in stock, sample is free for quality checking. Customized color, size, logo are accepted.
Product name: food grade filter paper tea bag with string Keywords: food grade tea bag/tea filter bag/unbleached tea bag/Chinese medicine bag/filter paper bag with string Size:5.5*150px can be customized by your demand Material: food grade heat seal tea b
Description: High Temperature Polyimide Tape is based on polyimide film and coated with high performance silicone adhesive for temperature resistance and electrical insulation. It is widely applied for motor insulation, gold finger protection for PCB duri
The normal roll size 25mm X 100m Hot Stamp Foil: Jumbo Roll: 530*6000, 660*4000, 760*4000, 830*4000, 950mm*4000M (Other size is also available as customized), And if you need the small finished roll like 25mm X 100m Hot Stamp Foil: Product OEM Labels and
Serum bottle are manufactured from neutral borosilicate molded glass and suitable for the handling and storage of a variety of liquids including reagents, vaccines, blood plasma, culture media, chromatography samples and more. These molded serum bottles s
Protective Film For Stainless Steel Appliances introduction Shengfa appliance films can be laminated to steel and plastic to give appliances a fresh new look. Our surface laminating films include custom colors and finishes including stainless steel applia
Glossy Cold Laminating Film Specifications: Model: 2801 2801 Glossy Cold Laminating Film is transparent and smooth without any grains, its definition can be high to 100%. It can be used on photos, pictures of books to get protection. After being applied,