>>> Qi Family Experience: The Secret of a Paint In the process of group purchase, netizens occasionally have problems that can be avoided. Xiao Bian sums up the experiences of netizens and warns them of the problems. Summarized as follows: 1. As for the wooden bed, for example, the netizen said that when the merchant ordered the business, it would require a bed of 2 meters. As a result, the order was written as 1.8 meters. Remind users to sign on the order confirmation must be carefully checked, if there is doubt, the business must be clearly written, if there is any problem, you can seek the help of website personnel! In addition, we must remember to use the special order of Shanghai Group. 2. The freight issue and the order's handout must also be clearly written on the order to avoid unnecessary trouble! 3. Furniture and other special events, not less than three months of building materials at home to cancel the validity period, and some only one month or one week (such as curtains special), be sure to pay attention to unsubscription validity, to avoid unnecessary trouble! 4. The order of furniture is not better than the home order to the merchant to offset the purchase price. A lot of special orders do not need to be withdrawn, as long as the arrival of the goods comes up to see how much you paid for the deposit! 5. Pay attention to every corner of the order. The characters should be clearly read. For example, if you write a small word in a small, unremarkable place on the order (this price does not include tax), it means that when you want to Pay tax money to get the invoice! (As with furniture and luxury goods, part of the tax on the invoice is required by the buyer.) 6. Often encountered when customers buy mattresses, only concerned about their need to buy 5 feet or 6 feet, but ignored the length of 5 feet and 6 feet mattress, currently on the market 5 foot bed, 1.9 meters long and 2 meters Long, two sizes. Therefore, when ordering a mattress, in addition to knowing the width, be sure to know the length of the inner diameter of your own bed (except the purchase of a bed) to avoid unnecessary trouble! 7. Customized products can be referenced because there is no real sample, and must be specified on the commissioning contract. The color, size, direction of the corner, and the area of ​​the lacquer plate (some human contact surfaces are to be treated with varnish), glass thickness, and hardware Models and functions (handles, hinges, drawers, bar corners, etc.)............ to avoid unnecessary wraps! 8. When buying a furniture to pay a deposit, you must pay attention to the "deposit" and "deposit" points, the former is a refundable deposit, the latter is a non-refundable deposit. In the group to buy furniture to order 100 yuan for refundable orders, more than 100 yuan for non-returnable orders! Furniture Brand Three Tree Lacquer Furniture Lacquer Glass Window Furniture
Organic chemical raw materials can be divided into alkanes and their derivatives, alkenes and alkynes and derivatives, derivatives, quinones, aldehydes, alcohols, ketones, phenols, ethers, anhydrides, esters, organic acids, carbohydrates, carboxylic acid salt, heterocyclic compounds, nitriles, halogen, acyl amine and other species.
Inorganic chemical raw materials can be divided into inorganic acids, inorganic bases, inorganic salts, oxides, simple elements, industrial gases and other kinds
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