ซัพพลายเออร์ที่มีใบอนุญาตการทำธุรกิจ
ซัพพลายเออร์ที่ผ่านการตรวจสอบแล้ว Maleic anhydride is an organic compound with the formula C2H2(CO)2O. It is the acid anhydride of maleic acid. It is a colorless or white solid with an acrid odor. It is produced industrially on a large scale for applications in coatings and polymers.
| Item | Units | Specification |
| Appearance | White briquettes | |
| Purity(by MA) | WT% | 99.5 min |
| Molten Colour | APHA | 25 Max |
| Solidifying Point | ºC | 52.5 Min |
| Ash | WT% | 0.005 Max |
| Iron | PPT | 3 Max |
25kg/bag.
20MT per 20'FCL with pallet.
25MT per 20'FCL without pallet.
We can delivery 15-20 days after getting PO.
Shandong Longze Chemical Co.,Ltd mainly produces and supplies Dimethyl carbonate, Propylene glycol, Propylene carbonate, Diethyl carbonate, Isopropyl alcohol, Diisopropyl ether, succinct acid and Maleic acid, etc.
Focusing on supplying high quality products and better services to our customers and establishing a win-win cooperation relationship with our partners, LONGZE always try to create more values for customers.By the strongest supports and trust from our upstream and downstream customers, Shandong Longze has experienced diversified and rapid development. At present,our business have been involved in some industries like coatings&Paints, cosmetics&foods&flavors&pharmas, Resins&plasticizer&PU and drilling &oil recovery chemicals, etc.
With strict quality control and continuous innovation, we already get the certificate of ISO 9001, Kosher and Halal certificate. Looking to the future, Longze will strive to establish a long-term and stable cooperation with professional companies all around the world.
Stable supplying and timely delivery to customers
Integrity and perfect tracking management
High quality products and better services
Professional experience and skills on operating dangerous products and non-dangerous products
We specialize in this field for 19 years, with the strength of Dimethyl carbonate, propylene glycol (tech, food, USP grade), propylene carbonate, Isopropyl alcohol, Diisopropyl ether, succinic acid, Maleic acid and the other products.
Our HK company, Wanchem international limited, is specializing in petroleum additives, petroleum equipments, Solvents and some food additives.
At present, our business have been involved in some industries like coatings&Paints, cosmetic&personal care, Flavor&Fragrancy, Pharmaceutical&food, Resins and drilling&oil recovery chemicals, etc. So you can find more items together from us conveniently which saves much time for you.
EXHIBITION/TRADE FAIR
Q: Are you factory or trading company?
We are manufacturer for our main products and also wholesale some chemicals.
Q: How long is your delivery time?
A: Generally it is about 15 days, if we have stock. If not, maybe need 20-30 days to arrange the shipping.
Q: Do you provide samples ? Is it free?
A: Yes, we could offer the sample for free, but hope the customer to pay the courier cost.
Q: What is your terms of payment ?
A: TT payment is favorable, LC at sight is fine. After we build good cooperation, we can discuss other payment terms.
ซัพพลายเออร์ที่มีใบอนุญาตการทำธุรกิจ
ซัพพลายเออร์ที่ผ่านการตรวจสอบแล้ว 
