China Exhibitor Directory
Shenzhen Langwen Technology Industrial Co., Ltd 深圳市朗文科技实业有限公司
Shenzhen Langwen Technology Industrial Co., Ltd is a Chinese manufacturer and trading company based in Longhua District, Shenzhen, Guangdong, exporting Dimmers, Switches, Infrared sensors, Decorative lighting. Listed as an exhibitor at 13 Canton Fairs, most recently the 139th in April 2026.
Meeting this supplier in Guangzhou? Book a Canton Fair interpreter →
Company profile
- Location
- Longhua District, Shenzhen, Guangdong 深圳市
- Business type
- Manufacturer & trading company 工贸企业
- Main sector
- Lighting & LED
- Company size
- 150–500 employees
- Established
- 2004
- Registered capital
- RMB 4 million as registered
- Production mode
- ODM / OEM
- Ownership
- Privately owned
- Website
- sznumber.com
Company details come from the published 139th Canton Fair exhibitor list (April 2026). Badges reflect designations recorded in that list.
What Shenzhen Langwen Technology Industrial Co., Ltd exports
Product lines recorded for this exhibitor at the Canton Fair:
- Dimmers调光器
- Switches开关
- Infrared sensors红外感应器
- Decorative lighting装饰照明
- Solar lights太阳能灯
- Portable lighting便携式照明
- Pendant lamps吊灯
- Table lamps台灯
- Craft lamps工艺灯
- Indoor decorative lights室内装饰灯
- Wall lamps壁灯
- Portable searchlights便携式探照灯
- Flood lights泛光灯
- Camping lights野营灯
- Other lighting products其他照明产品
- LED decorative lightsLED装饰灯
- Other LED lighting fixtures其他LED照明灯具
- LED power suppliesLED电源
Also listed under: dimmer · switch · infrared sensor · decorative lighting · solar light · portable lighting · pendant light · desk lamp
Canton Fair record
- Fairs exhibited
- 13
- First listed
- 127th (April 2020)
- Most recent
- 139th (April 2026)
- At the 139th fair
- Yes
Shenzhen Langwen Technology Industrial Co., Ltd appears in 13 editions of the Canton Fair exhibitor list. The Canton Fair (China Import and Export Fair) is held in Guangzhou each April and October; exhibitor lists are published per session, so a company missing from one session may simply not have booked that time.
Working with a supplier like this
Shenzhen Langwen Technology Industrial Co., Ltd is one of tens of thousands of Chinese exporters that meet overseas buyers through the Canton Fair. If you are approaching a company in lighting & led, the practical questions are usually the same.
Meeting them at the fair
- Booth allocations are published per session and change every time. Confirm the current hall and booth with the company or through the official Canton Fair channels before you travel.
- A manufacturer’s booth staff are often technical rather than fluent in your language. An interpreter who knows the product vocabulary changes what you can actually ask in a 20-minute meeting.
- Factory visits after the fair are common and are where most of the real due diligence happens. Guangzhou, Shenzhen, Yiwu and Ningbo are all within a few hours of the fairground.
Paperwork to expect
- Product specifications, datasheets and test reports — often written in Chinese first.
- Quotations and proforma invoices, then the sales contract. For OEM or ODM work, add tooling agreements, drawings and sometimes an NDA.
- Export documents: commercial invoice, packing list, bill of lading, certificate of origin, and any certification your own market requires.
- Where a contract is signed in two languages, agree in writing which language governs if the versions disagree.
Need a Guangzhou interpreter for a fair meeting or a factory visit, or a Chinese contract read properly before you sign? Translation China does both, from our own office in Guangzhou.
Frequently asked questions
Where is Shenzhen Langwen Technology Industrial Co., Ltd located?
Shenzhen Langwen Technology Industrial Co., Ltd (深圳市朗文科技实业有限公司) is recorded in Longhua District, Shenzhen, Guangdong, at city and province level.
How do I get in touch with Shenzhen Langwen Technology Industrial Co., Ltd?
The company telephone and website are listed in the profile above, as recorded in the Canton Fair exhibitor list. You can also reach exhibitors through the official Canton Fair exhibitor search or at their booth. If you need help once the conversation starts, the directory’s sponsor provides interpreting and document translation in Guangzhou.
Do I need an interpreter to deal with a Canton Fair exhibitor?
Many exhibitors have English-speaking sales staff, but coverage drops quickly outside English and at factory level. For negotiations, technical discussions and factory visits, buyers commonly bring their own interpreter so that nothing depends on the seller’s side of the conversation.