Helpful 37 In 1 box Sensor Kit--IR receiver/Joystick/Tracking/Relay/Buzzer/REG LED/Flame Motor DIY kit Good Quality

Shenzhen Big Tree Technology Co., Ltd is a manufacturer of 3D printer, 3D Printer parts(For example Mega2560,ramps 1.4, A4988,Hotend,endstop),Sensor module, CNC main board,ect. with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in 3D Printer and other industries.

We have the best products and professional sales and technical team, in the 

company's development and growth in a year, we offer our customers the best 

products, good technical support and good after-sales service.

We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

Packing Detail

Customized Package PE Bag or Bubble bag or Carton box

Shipping term 
1.We will ship the items after the payment.

2.We can ship to you by UPS/DHL/TNT/EMS/Fedex,by air and by sea.  
Pls contact us directly and we will use your preferred ways. For the Countries & Regions where EMS cannot deliver,pls choose other shipping ways;

3.Goods will be sent out soon,within 3-5 days.

1. Supply high quality Accessories.

2. Supply Ability:100,000 pieces per month.

3. Our professional service can help you greatly to save cost and control quality.

4. With large production capacity to ensures the shipment on time.

5.  When you send me inquiry,please mark the size.If you have special request,please send me full detail.

Welcome to have any new inquiry at any time!!!

How to order
1. Please confirm with us your order list including models, quantity, price and the payment method you choose.

2. Please provide your deliver information including full address, telephone number/cell phone number, zip code and receiver's full name. Please make sure that the phone number you provided can reach you!

3. We will make a Proforma Invoice of the order details with our payment information for your confirmation.

4. You make the payment and email us the bank receipt copy. We will start production immediately and ship out the goods in 1-6 working days according to order quantity upon receipt payment.

Q1. How can we know the product quality?

A1: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page.

Q2. When can we get reply after sending you the RFQ?

A2: Our working time is 9:30am. - 6:30pm. , Monday to Saturday. Your RFQ will be replied immediately during working time, in 24hours during non-working time.

Q3. Can I get free samples?

A3: Yes, some samples are free for customer, but you need to pay for the express fee. For details please send message to our sales service.

Q4. Is there cheap shipping cost to import to our country?

A4: For small order, express will be faster but the shipping cost will be more expensive, post air mail will be cheaper but will take 1-2 month of shipping time. And for bulk order, sea shipping way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door.

Q5. How to order?

A5:

1. Tell us which models,Quantitiy,color you want to order

2. We will make PI(performa invoice) for your order to confirm

3. Checking the PI, we will delivery the goods ASAP when we receive your payment. And the shipping cost is depending on the weight.