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Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements

Commodity: Calcium chloride Molecular formula CaCl2 H.S code 28272000 Product feature Calcium chloride is an inorganic salt, which exists as solid or liquid. Solid calcium chloride is a white, crystal substance in the form of flake, granule, pellet or powder. With different crystallized water contents, it can be dihydrate or anhydrous. Liquid calcium chloride is a colorless, clear solution. As calcium chloride has such properties as quick dissolving, exothermic ability, attracting moisture from the air and surroundings, dissolving at very low temperature, Specifications: Analysis Item Standard Calcium chloride (CaCl2) 74%min,77% min,94%min Total Chlorinated Alkali: (NaCl) 5.0%max Magnesium Chloride(MgCl2) 0.5%max Insoluble matter in water 0.25%max Calcium Sulfate (CaSO4): 0.2%max Ferric Oxide (Fe2O3) 0.025%max Heavy Metal as Cu., Pb., Cd., Cr., Hg., As 0.005%max Application Mainly used in drying, melting snow for airport express and street, concrete desiccant and concreting fast, removing dust and oil industry. Exporting Packing :Plastic woven bag with PE ,25kg/50kg/1000kgs net weight or 25kg x 40 bags into one big bag or 40 bags on a pallet with shrink-wrapped Means of transportation :in containers or by bulk vessel with large quantity

4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone, slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46 Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate Specification Item Specification Polymer Grade Technical Grade Appearance white crystal powder white crystal powder Purity(on dry base) % 99.6 99.0 Melting Point 214-217 212-216 Odor odorless odorless Solubility Clear and transparent clear and transparent Loss on Drying % 0.20 0.50 Color(Pt-Co) 10 40 Ash % 0.02 0.15 Sulfate(SO42-) 0.01 0.05 Chloride(Cl-) % 0.005 0.02 Phe% 0.01 0.10 Salicylic Acid % 0.02 0.10 4-Hydroxyisophthalic Acid(HIPA) ppm 500 / Insolubles in Metha ppm 50 / Potassium(K+) ppm 5 / Sodium (Na+) ppm 5 / Iron (Fe) ppm 5 / Ca2++Mg2+ppm 5 /

Commodity: Sodium Hydrosulfite Other name: Synonyms: Sodium Hydrosulphite; Sodium Dithionite; Dithionous acid, Disodium salt; Sodium Sulfoxylate CAS No.: 7775-14-6 Molecular Weight: 174.10 Chemical Formula: Na2S2O4 Product Description Appearance: White, crystalline powder. Product Feature Odor: Slight irritative. Specific Gravity: Unavailable Solubility: Soluble in water. Density: 2.19 pH: 6-7 pH Test-Method: PH test paper. % Volatiles by volume @ 21C (70F): 0 Boiling Point: Not applicable. Melting Point: >300 C Decomposes. Vapor Pressure (mm Hg): No information found. Bulk Density: ~0.9 Evaporation Rate (BuAc=1): No information found. Application 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching . 2. bleaching paper pulps , especially mechanical pulps, its the most fittable bleaching agent in pulps. 3. bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. in mineral, the compound of thiourea and other sulphides. 5. as reducing agent in chemical industry. 6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms. Packaging 50kg/100kg net in iron drums with double PVC bags Product Specification/Models NDEX 90%, 88%, 85%. FOOD ADDITIVE Na2S2O4, 90%, 88%, 85%, Fe 20ppm ZincZnOther heavy metal calculated as Pb, 1ppm Water Insolubles05% Shelf Life(month)12

Full HD 1ystem Main 1080p built-in 80mm/58mm Thermal Receipt 14 inch one in all POS machine with Android/Linux /Win sisplay. Specification item value Certification FCC, ce, RoHS Products Status Stock Type Android/Linux POS Device with Printer Style Desktop Use POS device and Cash Register Interface Type 58mm/80mm Built-in Thermal Receipt Printer Brand Name GOOD PARTNER Model Number HDD-780 Place of Origin China Warranty(Year) 1-year After-sales Service Return and Replacement, Call Center and on-line Technical Support, Onsite Training and Inspection Place of Origin Jiangsu China Operation System Linux/Android/Windows Touch Screen Type Capacitive Screen Hard Disk Capacity 8G EMMC/ 32GB/64 GB SSD CPU RK3288 Quado Cre 1.8GHz/Intel J1800/ J1900 1.8GHz Display 14.1 inch or 15 inch Memory: 2GB RAM Ethernet 100M/1000M RJ 45 WIFI 802.11 B/g/n Certification CE/CCC/ROHS

Full HD 1ystem Main 1080p built-in 80mm/58mm Thermal Receipt 14 inch one in all POS machine with Android/Linux /Win sisplay. Specification item value Certification FCC, ce, RoHS Products Status Stock Type Android/Linux POS Device with Printer Style Desktop Use POS device and Cash Register Interface Type 58mm/80mm Built-in Thermal Receipt Printer Brand Name GOOD PARTNER Model Number HDD-780 Place of Origin China Warranty(Year) 1-year After-sales Service Return and Replacement, Call Center and on-line Technical Support, Onsite Training and Inspection Place of Origin Jiangsu China Operation System Linux/Android/Windows Touch Screen Type Capacitive Screen Hard Disk Capacity 8G EMMC/ 32GB/64 GB SSD CPU RK3288 Quado Cre 1.8GHz/Intel J1800/ J1900 1.8GHz Display 14.1 inch or 15 inch Memory: 2GB RAM Ethernet 100M/1000M RJ 45 WIFI 802.11 B/g/n Certification CE/CCC/ROHS

Full HD 1ystem Main 1080p built-in 80mm/58mm Thermal Receipt 14 inch one in all POS machine with Android/Linux /Win sisplay. Specification item value Certification FCC, ce, RoHS Products Status Stock Type Android/Linux POS Device with Printer Style Desktop Use POS device and Cash Register Interface Type 58mm/80mm Built-in Thermal Receipt Printer Brand Name GOOD PARTNER Model Number HDD-780 Place of Origin China Warranty(Year) 1-year After-sales Service Return and Replacement, Call Center and on-line Technical Support, Onsite Training and Inspection Place of Origin Jiangsu China Operation System Linux/Android/Windows Touch Screen Type Capacitive Screen Hard Disk Capacity 8G EMMC/ 32GB/64 GB SSD CPU RK3288 Quado Cre 1.8GHz/Intel J1800/ J1900 1.8GHz Display 14.1 inch or 15 inch Memory: 2GB RAM Ethernet 100M/1000M RJ 45 WIFI 802.11 B/g/n Certification CE/CCC/ROHS

14.1 inch Capacitive Touch Screen Dual Display POS System All in one Cash register with 80mm thermal printer. Quick Details Products Status: Stock Type: Android/Linux POS Device with Printer Style: Desktop Use: POS device and Casn Register Interface Type: Micro USB and SIM Card Model Number: HDD-680 Place of Origin: China Warranty(Year): 1-Year After-sales Service: Others, Call Center and on-line Technical Support Screen size: 12/14inch Touch Screen: 10 Points Capacitive Touch ScreenV Customer display: 14.1 inch/12 inch/LED/VFD220 Color: Gray Card Reader: Magnetic optional Wireless: BT 4.0 Interface: USB/RS232/VGA/Audio/Keyboard Power Supply: 12V/2A Memory: 2GB RAM Certification: FCC, ce, RoHS