Descriptions: 

Cobalt oxide, with the chemical formula CoO, is a metal oxide that is a black gray hexagonal crystal powder that is insoluble in water, alcohol, and ammonia. It is easily reduced to metallic cobalt by carbon monoxide and can react with silicon dioxide, aluminum oxide, or zinc oxide at high temperatures to produce various pigments.

Application:

Mainly used for glass, enamel, ceramic, magnetic materials such as dense agent, azure blue, cobalt blue, cobalt green color colorant, catalyst, livestock nutrition agent. It is also used in the preparation of cobalt salts.

Packaging & Shipping:

Our Advantages:

Goods quality

1. Product has COA, and HPLC report
2. Our factory is ISO9001 standard
3. We get good feedback from customers around the world

OEM service
1. Add customer's logo
2. Redesign label, packing box as customer's requirement
3. Cap color can be customized

Shipping service
1. Goods shipped in 2-7 days after get payment.
2. Small order ship by express door to door.
3. Goods arrive in 7-20 days

24 hours on-time response
1. Reply your inquiry within 12 hours
2. Keep tracking goods and update information to custom er
3. After-sale service anytime

About Us:

NINGBO HENGHUA TECHNOLOGY DEVELOPMENT CO., LTD. is a professional enterprise engaged in export, the products mainly include chemical products, medical devices, masks, machinery, chemical raw materials, and pharmaceutical intermediates. We have more and more customers from all over the world. We can provide our customers with the best product quality and reasonable price.
Our aim is "service and sincere exchange for your trust and support, mutual benefit and win-win". We look forward to working with friends all over the world! In order to meet the requirements of importers and middlemen, further provide customers with "door-to-door" service. We have our own export service system, can provide customers with the best export route and the lowest price. We have a skilled, operational ability of the team. 

In addition, we can find the goods with the lowest price and the best quality for overseas customers, check the goods and reserve shipping space, so as to open up the Chinese market and relieve the import and export.

FAQ

Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,  Paypal or Escrow(Alibaba).

Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the
samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What's your MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery lead time?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)