12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren

  • Model NO.: MS-490
  • Signal Transmission: Wireless Alarm
  • Application: Indoor, Outdoor
  • Transmission Mode: Wireless
  • Receive Frequency: 433.92MHz
  • Transport Package: Standard Export Packing
  • Origin: Zhejiang, China
  • Type: Industry Alarm
  • Certification: DOT, E-MARK, CE, ISO, FCC, RoHS, CCC, GS
  • Working Principle: Electromechanical
  • Alarm Volume (within 1m): ≥110dB
  • Trademark: SHUNTONG
  • Specification: 500-2
1. 21years--Taisu was founded in 199
2. 95% parts-- more than 95% parts are produced by ourselves 
3. 100 workers--we have more than 100 workers 
4. 12,000 square meters--the area of Taisu is 12,000 square meters
5. certification--we has passed ISO9001:2000 Quality Management System and CE, ROSH, FCC
6. smaples--we offer the samples for free
7. OEM--we offer professional OEM for more than 3000 trading companies and foreign customers
12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren
12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren
12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren
12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren
12 Years Expericnces for Ms-490 Double Motor Outdoor Electronic Siren
 

Simple Tunnel Formwork

The simple tunnel formwork project has certain requirements for the appearance quality of concrete pouring, and choosing the best formwork system has become the focus of the comprehensive pipe gallery construction. The joints are of good quality and seamless. When pouring concrete, ensure that there is no leakage of grout at the joints and no honeycomb pockmark is formed. And it has the advantages of high turnover rate, high forming quality, high economic efficiency and environmental protection.

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