Физическое обучение рефракции и отражения света набор оптических экспериментов для
- Категория: Physics >>>
- Поставщик: PENPOS,Technology,Co.,Limited
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-19-2025 | 17.17 $* | 18.80 $* |
| Aug-19-2025 | 17.83 $* | 18.82 $* |
| Jul-19-2025 | 14.0 $* | 15.72 $* |
| Jun-19-2025 | 16.15 $* | 17.79 $* |
| May-19-2025 | 14.73 $* | 15.19 $* |
| Apr-19-2025 | 16.87 $* | 17.91 $* |
| Mar-19-2025 | 16.32 $* | 17.58 $* |
| Feb-19-2025 | 16.24 $* | 17.97 $* |
| Jan-19-2025 | 16.72 $* | 17.4 $* |
Характеристики
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FAQ
FAQ
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.
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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