Лист вольфрама элемент периодической таблицы 99,95%, помеченный лазером, коллекция простых веществ исследования 20х20х0,5 мм, примерно 3,7 г.

Лист вольфрама элемент периодической таблицы 99 95% помеченный лазером коллекция простых веществ исследования 20х20х0 5 мм примерно 3 7 г.

Product Descriptions

DESCRIPTIONS

Specifications:

The information on these cubes fits your STEM class, and scientific experiments in gravity, density, mass, volume, and which metals can rust in the water.

Package: In Sealed Vacuum OPP Bag for Small Quantity.

Please don't hesitate to contact us for bulk order prices.

Product Details

1.We provide free shipping for most of the products. Some are with economy shipping and some are with express shipping.

2.Only traceable registered mail will we use for the orders.  Tracking number will be updated in the order or in the order message after shipment made. You can see the tracking information after a few days after the tracking number post. Feel free to contact our sales-person for help if you are not able to track your package.

3. Aliexpress Shippings are mostly suggested. Most of the packages can be delivered in 5-25 days, even for economy shippings. 

4. For Special Goods, such as magnets and powders, please try to choose Cainiao for Special Goods, which is the most suitable way.  

     1. Please leave us 5-star DSR ratings if you are satisfied with our products and services. 

     2. If there is any problem with the logistics or products, please make sure to contact us before leaving negative feedbacks or raise dispute. We have complete aftersales service system at your service all the time. Communications with us is always the best and fastest way to solve a problem. 

     3. There are always a way to solve a problem by communications and mutual understanding. You can contact us by either of below ways: 

A. Via Aliexpress Message or Order Messages

B. Via Trade Manager 

C. Via Emails or other contacts

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