Touchscreen FAQ (reproduced)
2 Open the touch screen software to calibrate it.
3 Loosen the screws on the back of the LCD screen, which may be caused by the tightness of the top of the touch screen.
4 Replace the touch screen data cable USB port with a U port, which may result from insufficient power supply or damage of a U port.
5 There is a problem with the touch screen driver and reinstall the driver.
Touch Screen Frequently Asked Questions II: Touch Screen No Responsive Process Flow 1 Check whether the touch screen control card has a green light blinking: Determine if the power supply is normal.
2 whether the calibration procedure can be opened: determine whether the control card is normal or not.
3 Change the USB port of the touch screen data cable to U port detection.
4 The touch screen driver is not installed, or the USB port does not correspond to the driver.
5 touch screen screen posted or damaged.
our dished heads are used in a variety of applications and industries such as storage tanks, pressure vessels, road tank, food processing operations, chemical plants ,Nuclear operation, Oil Refining, Architectural feature, power generation.
Due to our forming experience and equipment, we can spin or press the first part of the process of forming your products, It depend on the thickness and material performance,
Our main products are 2:1 SE dished heads, Torispherical heads, Cones,Hemispherical Heads etc
Choosing the right type is the key decision for each customer and one for which our experience team to happy to give advice, simple speaking, the torispherical heads, the less ressure it can withstand, Conversely, the deeper dished heads, for example Elliptical heads, hemispherical, the greater pressure it can take.
Our in house-capability to form dished heads by cold press brings major benefits to our customers and sets us apart from others dished heads manufactures
For carbon steel dished heads, we can forming this dished heads from 76-9000mm in diameter and below 250mm in thickness
The general forming process as the below sketches 
Technical Delivery Condition
1,Our material (hot Rolled Unalloyed structural steel, high and low temperature steel, High Alloy steel)
We have no carbon steel plates in our stock and most of plates are from Chinese steel market or mill. Meanwhile As Japanese owed company, We can also source the plates from Japanese ex-mill if end user can`t accept ex-chinese mill.
Basically the delivery time shall be below 20days for dished heads if plates are from steel market. and Max plates width from them is below 2200mm. it means that the seamless dished heads diameter shall be below about 1800mm.
The max width CS plates that Chinese mill can do is below 4700mm,and dished heads can be seamless below 3800mm in diameter.
2,Enquiry/order required information
We can give our clients once they gave us the below information
But if clients tolerance is higher than below Hokkai standards, it shall be provided to Hokkai prior to offer or ordering.
Carbon Steel Dished Only Head,Carbon Steel Dish Head,Carbon Steel Welding Dish Head,Carbon Steel Flange Only Dished Head
YIXING HOKKAI HEAD PLATE CO.,LTD , http://www.hokkaidishedend.com