Venttech is a company engaged in refrigeration equipment development, design, production, sales and installation of high-tech enterprises. In the early 21st century, Venttech set up factory in Shanghai and adopt foreign advanced technology. Venttech has more than 15 years experience in developing refrigeration equipment such as water chillers, cooling towers and dry coolers. Till now, our refrigeration equipments have exported to more than 30 countries.

Shanghai SIO Electromechanical Technology Co., Ltd. founded in 2004, is an innovation-oriented hi-tech enterprise and an international trading company in CNC machine fields. In Shanghai SIO company, we have a team of experts with both technology and management experiences accumulated through long-term cooperation with domestic and foreign clients. We strive to provide affordable and durable CNC machine tools and automation solutions for both domestic and international markets. As the result of our diligent work, we are now a researching and manufacturing base of industrial automation technology and equipment such as CNC Metal Spinning Machine, Facing and Centering Machine, Cam Milling Machine, Spline Milling and Grinding Machine etc. SIO machines have been equipped for aerospace industry, military industry, state-owned enterprises, listed companies and other industry enterprises. SIO holds a good reputation in both machine tools’ industry and manufacturing industry. We are also the agent for trading Machining Centers, Drilling and Tapping Center, Turning and Milling composite Machine tool, Planer type Milling Machine, EDM Machine, Key Cutting Machine, Vacuum Pump, Oxygen Pump, Ventilation and hardware tools etc. The continents of exportation for our products include Europe, America, Asia and Africa. We appreciate your sincere cooperation with SIO, for the development and manufacture of the best machine tools and automatic equipment. SIO will be your trusted brand that provides cutting edge technology, exceptional quality, excellent service for a reasonable price. Connotation of SIO: Step ahead in technology Invent efficient machines Offer excellent service… Mission: To enhance modern manufacturing with technology Vision: To be leading brand in intelligent manufacturing field Philosophy: To create maximum value for our honored clients

Shanghai SIO Electromechanical Technology Co., Ltd. founded in 2004, is an innovation-oriented hi-tech enterprise and an international trading company in CNC machine fields. In Shanghai SIO company, we have a team of experts with both technology and management experiences accumulated through long-term cooperation with domestic and foreign clients. We strive to provide affordable and durable CNC machine tools and automation solutions for both domestic and international markets. As the result of our diligent work, we are now a researching and manufacturing base of industrial automation technology and equipment such as CNC Metal Spinning Machine, Facing and Centering Machine, Cam Milling Machine, Spline Milling and Grinding Machine etc. SIO machines have been equipped for aerospace industry, military industry, state-owned enterprises, listed companies and other industry enterprises. SIO holds a good reputation in both machine tools’ industry and manufacturing industry. We are also the agent for trading Machining Centers, Drilling and Tapping Center, Turning and Milling composite Machine tool, Planer type Milling Machine, EDM Machine, Key Cutting Machine, Vacuum Pump, Oxygen Pump, Ventilation and hardware tools etc. The continents of exportation for our products include Europe, America, Asia and Africa. We appreciate your sincere cooperation with SIO, for the development and manufacture of the best machine tools and automatic equipment. SIO will be your trusted brand that provides cutting edge technology, exceptional quality, excellent service for a reasonable price. Connotation of SIO: Step ahead in technology Invent efficient machines Offer excellent service… Mission: To enhance modern manufacturing with technology Vision: To be leading brand in intelligent manufacturing field Philosophy: To create maximum value for our honored clients

Shanghai SIO Electromechanical Technology Co., Ltd. founded in 2004, is an innovation-oriented hi-tech enterprise and an international trading company in CNC machine fields. In Shanghai SIO company, we have a team of experts with both technology and management experiences accumulated through long-term cooperation with domestic and foreign clients. We strive to provide affordable and durable CNC machine tools and automation solutions for both domestic and international markets. As the result of our diligent work, we are now a researching and manufacturing base of industrial automation technology and equipment such as CNC Metal Spinning Machine, Facing and Centering Machine, Cam Milling Machine, Spline Milling and Grinding Machine etc. SIO machines have been equipped for aerospace industry, military industry, state-owned enterprises, listed companies and other industry enterprises. SIO holds a good reputation in both machine tools’ industry and manufacturing industry. We are also the agent for trading Machining Centers, Drilling and Tapping Center, Turning and Milling composite Machine tool, Planer type Milling Machine, EDM Machine, Key Cutting Machine, Vacuum Pump, Oxygen Pump, Ventilation and hardware tools etc. The continents of exportation for our products include Europe, America, Asia and Africa. We appreciate your sincere cooperation with SIO, for the development and manufacture of the best machine tools and automatic equipment. SIO will be your trusted brand that provides cutting edge technology, exceptional quality, excellent service for a reasonable price. Connotation of SIO: Step ahead in technology Invent efficient machines Offer excellent service… Mission: To enhance modern manufacturing with technology Vision: To be leading brand in intelligent manufacturing field Philosophy: To create maximum value for our honored clients

Established in 1996,Shanghai Changlong Industrial Equipment Co.,Ltd. is an enterprise specialized in sterilizer equipment, including designing and researching various series of plate type(tubular) heat exchangers,plate type (tubular) whole set sterilizer units, ice cream whole set equipment, concentrators,degassing units,tanks and vessels etc,.providing a chain of services including design,manufacturing,installation,commissioning and training etc.for the equipment and projects.

Established in 1996,Shanghai Changlong Industrial Equipment Co.,Ltd. is an enterprise specialized in sterilizer equipment, including designing and researching various series of plate type(tubular) heat exchangers,plate type (tubular) whole set sterilizer units, ice cream whole set equipment, concentrators,degassing units,tanks and vessels etc,.providing a chain of services including design,manufacturing,installation,commissioning and training etc.for the equipment and projects.

Established in 1996,Shanghai Changlong Industrial Equipment Co.,Ltd. is an enterprise specialized in sterilizer equipment, including designing and researching various series of plate type(tubular) heat exchangers,plate type (tubular) whole set sterilizer units, ice cream whole set equipment, concentrators,degassing units,tanks and vessels etc,.providing a chain of services including design,manufacturing,installation,commissioning and training etc.for the equipment and projects.

Venttech is a company engaged in refrigeration equipment development, design, production, sales and installation of high-tech enterprises. In the early 21st century, Venttech set up factory in Shanghai and adopt foreign advanced technology. Venttech has more than 15 years experience in developing refrigeration equipment such as water chillers, cooling towers and dry coolers. Till now, our refrigeration equipments have exported to more than 30 countries.

LANGTUO`S SOUL: With our products allow people to live more happily. LANGTUO`S TARGET: To be the first brand of national ice makers. LANGTUO`S MISSION: Let our products entered into thousands of families. LANGTUO`S CONCEPT:Explore Innovation True Simple Happy Langtuo Refrigeration Equipment Co.,Ltd. Was founded in 2007 that is a professional manufacturer which specialized in producing refrigeration equipment.At present,our company has two kinds of brands DIZHUO,LANGTUO. Langtuo products has gained the ISO9001:2008 and CE certificate. We own perfect management system, strong technical resources, advanced fabricating equipment and strict quality inspection process making our products best.Our annual production capacity can reach 50000 sets.We focused on producing all kinds of ice machines(Daily capacity from 55lbs. to 6600lbs.) which are widely used in ice plant, supermarket, restaurant, bar, hotel, hospital, drinking shop, convenient store, etc. For a long time, we keep "Honest, Creative, Human-oriented, Customer-first" as our business philosophy which gained good reputation by customers from all over the world !

Established in 1996,Shanghai Changlong Industrial Equipment Co.,Ltd. is an enterprise specialized in sterilizer equipment, including designing and researching various series of plate type(tubular) heat exchangers,plate type (tubular) whole set sterilizer units, ice cream whole set equipment, concentrators,degassing units,tanks and vessels etc,.providing a chain of services including design,manufacturing,installation,commissioning and training etc.for the equipment and projects.

Established in 1996,Shanghai Changlong Industrial Equipment Co.,Ltd. is an enterprise specialized in sterilizer equipment, including designing and researching various series of plate type(tubular) heat exchangers,plate type (tubular) whole set sterilizer units, ice cream whole set equipment, concentrators,degassing units,tanks and vessels etc,.providing a chain of services including design,manufacturing,installation,commissioning and training etc.for the equipment and projects.

LANGTUO`S SOUL: With our products allow people to live more happily. LANGTUO`S TARGET: To be the first brand of national ice makers. LANGTUO`S MISSION: Let our products entered into thousands of families. LANGTUO`S CONCEPT:Explore Innovation True Simple Happy Langtuo Refrigeration Equipment Co.,Ltd. Was founded in 2007 that is a professional manufacturer which specialized in producing refrigeration equipment.At present,our company has two kinds of brands DIZHUO,LANGTUO. Langtuo products has gained the ISO9001:2008 and CE certificate. We own perfect management system, strong technical resources, advanced fabricating equipment and strict quality inspection process making our products best.Our annual production capacity can reach 50000 sets.We focused on producing all kinds of ice machines(Daily capacity from 55lbs. to 6600lbs.) which are widely used in ice plant, supermarket, restaurant, bar, hotel, hospital, drinking shop, convenient store, etc. For a long time, we keep "Honest, Creative, Human-oriented, Customer-first" as our business philosophy which gained good reputation by customers from all over the world !