Foshan Dena Electronic Technology Co., Ltd. is located in Nanhai district, Foshan City. Brands include: shanyu ( SUNBUCK), dena ( DINA). It is a high-tech professional audio equipment manufacturing enterprise integrating research and development, production, sales and service. The company specializes in the production, processing and production of household power amplifier, tube amplifier, audio, speaker, card bag loudspeaker, stage audio, rear power amplifier, Fever speaker, Wood leather speaker, subwoofer and other products.

     The company has always insisted on:" customer first and continuous innovation" business philosophy. To make products, use" heart"; We are more aware of users" awe". Take user needs as the starting point! Provide users with a comfortable experience. Let the product really arouse the emotional resonance of users! Truly impress users, let users trust and love. 
     Strong R & D investment and innovation strength are the core capabilities and advantages of our company's sustainable development.
In the future, we will continue to unswervingly implement the strategy of quality products; Take out a strong effort to do a good job in product quality, service, experience and other aspects.

The company operates:

 1: supports single purchase, one piece dropshipping

 2: supports bulk purchase (price negotiable)

 3: Supported OEM OEM production

purchase instructions

Because everyone has different requirements for sound quality, it is impossible to satisfy every customer. If you are not satisfied after receiving the goods, follow seven
there is no reason to return and exchange the products within days. The Returned products must not have the appearance wear and incomplete accessories that affect the secondary sales. If there is a price compensation
, if you are not satisfied, the freight incurred by the replacement shall be borne by the buyer. If the return or repair occurs during the warranty period, the buyer shall be responsible for the return freight.

This product is a fixed resistance power amplifier, which needs to be used with a fixed resistance passive speaker or a fixed resistance speaker. If you don't understand, please consult customer service and buy it yourself.
If you use your speaker, you must bear the return shipping fee. If you return the speaker for non-quality problems, you must bear the return shipping fee.

Sign

after the goods arrive, others sign on behalf of others, just like myself. When The Courier was present, he opened it and found that the goods were damaged or different from the products he bought. Please contact me immediately.
The phone number on the face sheet must be returned after the courier verifies the original number on the face sheet. When The Courier leaves after signing, the goods are complete.
No shortage. If you find any damage after signing, please contact us within 24 hours. The situation is true. We only guarantee the exchange and are not responsible for the freight and refund.

After-sales service

all products in this store will be delivered only after strict testing before shipment. All electrical products have heating phenomenon, please feel free to use, there are some customers
our store has the right to refuse and complain if it is hot and refunded. If there is any quality problem within 7 days after the buyer signs for it, the postage will be AA,.... Feel free to give a medium rating/
if you give negative comments, all after-sales services are automatically abandoned by default and the service is terminated.

Please do not order the above points if you do not agree with them. Please use Alibaba customer assistant as the voucher for both parties.

generally, the marked price: the marked price may be the sales guide price of the product or the previously displayed sales price of the product, which is not the original price and is for reference only.
Unmarked price: the unmarked price is the sales price of the product on Alibaba China. The specific transaction price varies according to the product's participation in the activity or due to the user's use of coupons, the final price is subject to the order Settlement page. Activity warm-up status: marked price: the marked price is the sales price of the product in the current activity warm-up status, not the original price. The specific transaction price may change due to the user's use of coupons, etc, the final price is subject to the order Settlement page.
Unmarked price: the unmarked price may be the activity price of the product to be participated in the activity, which is for reference only. The transaction price during the specific activity may change due to the user's use of coupons, etc, the final price of the activity is the order Settlement page.

* Note: The preceding description is valid only when price comparison occurs. If the merchant separately explains the marked price, the merchant's statement shall prevail.