Органическая и неорганическая химическая Молекулярная модель набор для школы учителя студента молекулы строительства с направляющими ремешками закрывающийся


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This Educational Molecule modeling kit is designed for Easy Chemistry learning for organic, inorganic and functional groups. The Structure Model Kit designed for beginner to advanced science and chemistry learning. Learn how to model organic structures, cyclic compounds, and stereoisomerism(172pcs Ball,256pcs bond chain,24pcs Electron cloud insert,1 pc key pulley)
Element
Hole/Angle
Color
Diameter(mm)
Qty
Hydrogen-H
1/
White
17
50
Carbon-C
5/120°+90
Black
23
40
4/109°28
40
Oxygen-O
2/105°
Red
23
8
Nitrogen-N
3/107°
Blue
23
4
Chlorine-Cl
6/90°
Green
23
14
Sulphur-S
6/90°
Yellow
23
1
Phosphorus-P
5/120°+90
Purpule
23
1
Natrium-Na
6/90°
Silver
23
14
Chemical Bond
Color
Length(mm)
Qty
Short bond
White
27
100
Short bond
Purpule
27
50
Long bond
Soft,Bendable
White
43
60
Long bond
Soft,Bendable
White
43
30
Lengthen bond
Micro hard
Translucent
63
16
Electron cloud insert
24
Key pulley
Beige
1
Toolbox
1
























1. Q:How can I pay for the order?
A: Our payment terms: T/T, Western Union, Money gram, PayPal, Trade Assurance etc.
1) For sample order: 100% payment in advance.
2) For bulk order: 30% deposit in advance, balance clear before pick up or B/L copy received.
2. Q: What about your Delivery Time?
A: The sample goods will be delivered within 1-3 days after receiving your payment.
Bulk order goods delivery time is about 7- 20 days.
3. Q: How do you control the quality?
A: We will make samples before mass production, and after sample approved, we will begin mass production. Doing 100% inspection
during production; then do random inspection before packing.
4. Q: Are you accept OEM?
A: Yes, OEM orders are welcomed, we can print your logo on production according to your request.
5. Q: What is your MOQ?
A: We serve for all customers, any quantity will be welcomed.





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