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I. Usage
The structure of inorganic and organic compounds in chemistry textbooks can be derived. As the school teaching materials in the graphite and diamond and sodium chloride, alkanes, alkenes, alkynes, halides, alcohols, phenols, ethers, aldehydes, ketones, carboxylic acids, esters and other materials in the University of stereoisomers, optical isomer, and between them the transformation.
2.Characteristics
1. This model is made of plastic keys. It has bright colors, firm connection and durable use.
2, the design is reasonable, the proportion is appropriate, can accurately indicate the key length, key type, key angle and other important structural parameters, versatility is strong.ism)
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A1:Contact us to get T/T or PayPal account to make the payment.
Q2:What is your advantage?
A2:We always supply products with lower price and better quality.
Q3:How about the quality?
A3:We are the manufacturer with 10 years experience in producing educational apparatus and we can guarantee the quality of products is high and reliable.
Q4:When will I get the reply from seller?
A4:May delay 12 hours due to the time difference. We will reply you as soon as possible.
Q5:What can you do?
A5:We have our own design, and can also make customer’s design. You can send us the product details by email.
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