Shenzhen Changlongsheng Mach. & Elec. Technology Co., Ltd.
Shenzhen Changlongsheng Mach. & Elec. Technology Co., Ltd.
🇨🇳 China, Guangdong
4.9
2000101-200 peopleManufacturer/Trading CompanyShenzhen Changlongsheng Mach. & Elec. Technology Co., Ltd. is a professional manufacturer and trading company established in 2000, headquartered in Shenzhen, China. Operating a factory facility of over 1,200 square meters, the company employs a workforce of approximately 120 to 200 personnel, including a dedicated R&D team of over 20 employees and 10 senior industrial engineers. The company specializes in the design and production of high-quality heating elements, precision potentiometers, and temperature control components.
Their extensive product portfolio includes mica and ceramic band heaters, mineral insulated band heaters, and electric convector heaters. They are a significant producer of precision conductive plastic and wire-wound potentiometers, including the RA24Y and 3590 series. Additionally, the company manufactures stainless steel hot tanks for water dispensers, electronic temperature controllers (ETS), and specialized storage solutions such as steel water bottle racks. With an annual production capacity of over 1 million band heaters and 200,000 potentiometers, they offer robust OEM and ODM capabilities to meet specific customer requirements.
Shenzhen Changlongsheng is committed to international quality standards, maintaining ISO 9001 certification and holding various product certifications including CE, RoHS, CCC, CSA, and CUS. The company also holds multiple national patents for its heating and sensor technologies. Their products are exported globally, serving key markets in North America, South America, Europe, the Middle East, and Asia.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
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Products
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Average Price
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MOQ Range
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High quality single lap potentiometer RA24Y 15SQ R10
5·2 reviews
Min. Order: 200$1.93
High quality single lap potentiometer RA24Y 15UQ 25
5·2 reviews
Min. Order: 200$1.69
High quality single lap potentiometer RA24Y 15SQ 1K
5·2 reviews
Min. Order: 200$1.77
RA28Y Rotary Potentiometers Series 28mm Wire Wound Potentiometer
5·2 reviews
Min. Order: 1000$2.05
Single-turn wire wound potentiometer RA20Y-20SE R50
5·2 reviews
Min. Order: 100$1.54
High quality single lap potentiometer RA50Y 17TQ
5·2 reviews
Min. Order: 50$7.2
High quality single lap potentiometer RA24Y 15SE 5W
5·2 reviews
Min. Order: 200$1.77
High quality single lap potentiometer RA24Y 35SE 1K
5·2 reviews
Min. Order: 200$1.78
High Quality 28mm Wire Wound Rotary Potentiometer series RA28-10SF 10Ω
5·2 reviews
Min. Order: 1000$2.15
ECX2300 panel-mounted potentiometer
4.9·4 reviews
Ecx2300 Panel-mounted Potentiometer - Buy Panel-mounted Potentiometer,Pot With Reader,5k Resistant Product on Alibaba.com$15.44
Wirewound Rotary Potentiometer 5K-10K 5% Tolerance 2W for Audio and Household Appliances
4.9·4 reviews
Wirewound Rotary Potentiometer 5k-10k 5% Tolerance 2w For Audio And Household Appliances - Buy 20mm Wire Wound Potentiometer
25ohms Wire Wound Potentiometer
wirewound 5k-10k 5% Tolerance 2w
5k-10k Ohm 2w Wirewound Potentiometer
2w Wirewound 5k-10k Ohm Potentiometer
wirewound 5-10k Ohm 2w Potentiometer
2w 5k-10k Ohm Wirewound Potentiometer Product on Alibaba.com$1.4
Wire Wound Potentiometer RA24Y-35SE-1K 1K 5% 5W Rotary for Audio and Household Appliances
4.9·4 reviews
Wire Wound Potentiometer Ra24y-35se-1k 1k 5% 5w Rotary For Audio And Household Appliances - Buy Single Lap Potentiometer
multi - Function Potentiometer
wire Wound Potentionmeter
wire Wound Ra24y-5w Potentiometer
35s Rotary Potentiometer
wire Wound Ra24y-5w 35s Potentiometer
1kω 5w Wire Wound Potentiometer
ra24y-5w 35s Multi-function Potentiometer Product on Alibaba.com$2.46Customers
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Certifications
CCC1
CE2
CSA1
RoHS1
ISO 90011
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Changlongxing Science &Technology ( Shenzhen)Co., Ltd
🇨🇳 China
1983201-300 peopleManufacturerEstablished brand
Patented technology
High-tech enterprise
Low MOQ
Shipments
309
Key customer
TEZMAKSAN
Key market
🇹🇷 Turkey
Description
Changlongxing Science &Technology (Shenzhen) Co., Ltd. is a Hong Kong-capital manufacturer specializing in the research, development, and production of cast stretch film units and related machinery. Established in 1983, the company has over thirty years of experience in the industry, operating with 201 to 300 employees. They maintain a headquarters in Shiyan with a 20,000 square meter factory and a new 66,000 square meter factory in Yangjiang high technology district. Changlongxing is recognized for its innovation, holding over 100 patented technologies, and serves over 3000 strategic partners. The company offers OEM services and manufactures a comprehensive range of film production machinery, including stretch film machines (2000mm, 1500mm, 1000mm widths), cling film machines (food grade, CPE cast film, PE cling film), and PBAT biodegradable stretch film machines, emphasizing eco-friendly solutions. Their product portfolio also includes rewinding machines, protective film machines, PE film embossing machines, agriculture film machines, and various accessories such as fully auto stretch film rewinders, rewinder slitters, raw materials mixers, and on-line film thickness measurement systems. All machines are designed for high speed, high output, long service life, and energy efficiency, and are certified with ISO 9001 and CE standards. They produce single or multi-layer casting co-extrusion film machines with film widths ranging from 500mm to 3000mm, utilizing raw materials like LLDPE, PE, CPE, and PP.
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