GLSUN - 20+ Years' Professional Manufacturer
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Terms and Policies

GLsunMall provides free protective or safe packaging for order delivery. An individual package for a single purchase. If a single purchase includes multiple items, they may be shipped in multiple packages according to each item's stock availability. This is applicable to retail order only. Special packing can be required for batch wholesale and customized products.


To ensure that each customer will receive the items as soon as possible, GlsunMall offer optional international air delivery by UPS, Fedex, DHL, SF express and normal air freight for a single purchase online; and international logistics and sea shipment for large quantity order or batch order offline. The cost of freight is calculated based on country of destination. This is not applicable for customized goods on your requirement or the goods out of stock.

GLsunMall will offer free shipping for all online/offline order (sum) up to USD300 and above to the following areas:
Asia: Malaysia, Singapore, Thailand, Philippines, Japan, South Korea, Taiwan, Hongkong, Macao
North America: United States, Canada
Oceania: Australia, New Zealand

Any extra charges for taxes or customs clearance, and any charges incurred for additional services, such as purchaser's carrier or special handling at the destination, must be paid by consignee.

Delivery Time

GLsunMall uses the best carriers in the business to make sure your order gets to you on time. Delivery time will be confirmed within 12-24 hours upon receipt of your payment. You can check the delivery time of the items of online order from checkout page. For customized items or items out of stock, please confirm the delivery time with GLsunMall salesperson/consultant.

GLsunMall is committed to providing you with reliable products and dedicated services. We will do our best to make sure that you have a hassle-free shopping experience at GLsunMall.

1 .Secure PayPal (for an online order, a single purchase)

PayPal is a safer, easier payment method online. With or without a PayPal account, PayPal allows you to pay via the way you prefer including bank accounts, Visa, Master credit cards, American Express, Discover, Diners, and JCB debit Card, without sharing your financial information with us.

GLsunMall PayPal Account:

If you have a PayPal account, please enter your email address, passwords and log in to your account to pay securely.

If you have no PayPal account, you need to provide PayPal with your credit card information, and PayPal will charge the money from your credit card and transfer it to our account. In this way you do not need to send us your credit card information. You may also sign up a new PayPal account for free, and then pay us through your PayPal account.

Please kindly mark up an extra PayPal service fee (subject to Paypal terms) over the total cost if you choose to pay via PayPal. If the service fee is not acceptable, wire transfer is recommended.

2. Regular Wire Transfer (for offline large or batch order)

1) Here is the information of Wire Transfer:

Name of Beneficiary:
Guilin GLsun Science and Tech Group Co. Ltd.
Account Number:
4536 0000 0146 3000 05925
Beneficiary Bank:
Swift Code:
Bank Address:

2) Once you have wired the payment, kindly send us the copy of the bank slip through your account, email or fax. Your notification will be confirmed and delivery will be arranged.

Note: It may take 3-7 business days for the wired payment to reach us.

What Shipping Methods Are Available ?

GLSUN ship worldwide to nearly every country across the globe, covering North and South America, Europe, Asia, Africa, Oceania, and more. We employ the services of major, trusted international carriers to ensure your package arrives to your destination safely and securely.

Various shipping delivery solutions is available for options, GLSUN can provide the both ourselves forwarder and customer appointed forwarder, in the way of Air, Sea, Road. The typical express carrier is by FedEx, DHL, UPS and EMS.

20+ years' Professional Manufacturer

Leading DFB laser chip, optical device & equipment manufacturer in China.

Series of Patents

GLsun Owns series of China's national patents: 6 invention, 22 applications, 3 designs

International Certifications

Certificated by ISO9001:2015 & ISO14001:2015, ROHS, REACH

High Industrial Standard

Passive products are qualified by Telcordia Standard

Advanced Process & Equipment for Production

GLsun has technological expertise team and advanced equipment to support production.

Strict Quality Control & High Standard Testing

GLsun keep the quality of products stable & durable via strict quality control, advanced lab in-house testing and real-running testing of applications

GLsunMall highly respects your privacy. The policy stated below is applicable to process any personal information at All personal information you submitted to us online and off-line is kept confidential and protected with the utmost care.

You are encouraged to provide as much accurate personal information as possible for us to keep a fast and effective business communication channel between us. Usually, the information including, but sometimes not limited to name, shipping address, email address, telephone number, IP address, billing address and the type, number, expiration date of credit card... will be used to efficiently process your order for the delivery, accounting and billing purposes.

Without your prior consent, we will not sell or disclose this information to any third party.

1.With your express permission.
2.As required by law or regulatory authority.
3.Unaccordance with correlative GLsunMall regulations and other criteria.
4.Under other circumstances that GLsunMall deems necessary for your protection.

GLsunMall accepts no legal responsibility for any loss caused by any or all of these above mentioned circumstances.

You will have sole responsibility for the risk of any loss attributed to your willing disclosure of your own personal information online. GLsunMall undertakes to preserve the privacy of any personal details at all times as well as after the termination of your membership. GLsunMall retains the right to vary this policy at any time without prior notice.