Support Center
Frequently Asked Questions
Find answers about our infrared products, customization services, quotations, delivery, payment and after-sales support.
Product & Customization
Q1
What products do you manufacture?
We specialize in manufacturing infrared emitting diodes,
PD/PT infrared receiving tubes, IRM infrared receiver modules
and light-emitting diodes.
Q2
What industries are your products used in?
Our products are widely used in security alarm systems,
medical monitoring, smart homes, outdoor lighting,
infrared sensing and other electronic applications.
Q3
Do you offer customization or OEM/ODM services?
Yes. We can manufacture products according to your drawings,
samples and technical requirements. OEM and ODM cooperation
is available.
Q4
Can I customize the packaging?
Yes. Neutral packaging is available, or we can print your
logo, product information and labels according to your requirements.
Q5
Are your products certified?
We can provide ISO, RoHS and other relevant certification
documents according to product specifications and customer requirements.
Q6
Can you provide product brochures?
Yes. Electronic product catalogs and technical information
are available upon request.
Quotation
Q7
How can I get a quotation?
Please send us the product model, drawings, dimensions,
specifications, materials and required quantity. Our sales team
will prepare and send you a quotation promptly.
International Trade Terms
Q8
Do you support EXW, FOB, CIF and DDP terms?
Yes. We support various international trade terms,
including EXW, FOB, CIF and DDP. The main shipping port is Shenzhen.
Q9
Which markets do you serve?
We serve customers in the United States, the United Kingdom,
Germany, Australia, Japan, the Middle East, Southeast Asia
and other international markets.
Delivery & Shipping
Q10
Can I order samples first? How long does sampling take?
Yes. Samples are available. Standard samples usually take
3–7 days, while customized samples may require additional time
depending on the complexity.
Q11
What is the lead time for bulk orders?
Bulk orders usually take 7–10 days. The exact lead time
may vary according to the order quantity, product model,
peak season and material availability.
Q12
Do you keep products in stock?
Some standard models are available from stock. We arrange
production and shipment according to the confirmed delivery schedule.
Q13
Can I mix different models in one order?
Yes. Mixed-model orders are accepted, helping customers
reduce purchasing costs and inventory pressure.
Q14
What shipping methods are available?
We can ship by express delivery, air freight or sea freight.
FOB, CIF and DDP shipping terms are available.
Q15
Do you accept long-term partnerships or distributor agreements?
Yes. We welcome distributors and long-term partners worldwide
and can provide competitive pricing and business support policies.
Q16
Where is your factory located? Can we visit?
Our factory is located in Guangdong, China.
Customers and partners are welcome to arrange a factory visit in advance.
Payment & After-sales
Q17
What payment methods do you accept?
We accept T/T bank transfer and other payment methods
agreed upon for specific orders.
Q18
Can you issue invoices?
Yes. We can provide proforma invoices and commercial invoices
for payment and customs clearance.
Q19
Can you sign a Non-Disclosure Agreement?
Yes. We respect customer intellectual property and can sign
an NDA before reviewing confidential drawings, samples or project details.
Q20
Do you provide product specifications?
Yes. Product specifications and relevant technical documents
can be provided to help customers select and use the products correctly.
Q21
Do you provide after-sales service?
Yes. We provide warranty and after-sales support.
If a verified quality issue occurs, we can arrange replacement,
replenishment or another appropriate solution.