"SD" has formed a the unique style of tech and innovation with over 20 years.
Over 20 years growth, the company has cultivated a team of experienced technical and management staff and owned the modern facilities and automatic assembly lines from dyeing, knitting, finishing and deep processing.
Meanwhile, the company always follows the fashion steps, continuously innovates and develops new products, and improves the management and service ability.
The upscale faux fox fur and knitting wool products reach the domestic and international high level. Products have been exported to the United States, Australia, Japan, Russia and Vietnam. In addition, according to the report from international accredited testing institutions, the test of formaldehyde in some products is ND level. The company receives high praise from the international specialists.
The company keeps the spirit of being real, precise, beautiful and innovative, capturing the market with high quality and credit. The products gains the trust and favor from home and abroad customer with high quality and diverstity.
All staff of Shuangda work hard towards automation, intellectualization and informatization. Keep improving the efficiency, promoting craftsman spirit, innovating new products. We are committed to becoming a more specialized faux fur products supplier. We wish the ecotope will become better by our efforts.
Natural Wool,Wool Mattress,Natural Wool Rugs,Wool Comforter Wuxi Shuanglida Plush Technology Co., LTD , https://www.sd-fauxfur.com
Fly back to time fly back function dedicated to the description of a certain type of chronograph. Fly back to time, it means that press the button, all the time pointer immediately zero and immediately turn on the next time. We all know that an ordinary chronograph need to start, stop and zero the three movements to complete, equipped with a fly-back chronograph, the wearer just press the button once, that is completed at the same time to stop, reset and Restart the timing action, not only reduces the loss due to multiple operations, but also can be quickly and accurately timed, for the wearer, convenient and "energy saving." Retrograde retrograde retrograde refers to the movement of a watch pointer, which is not the same as a traditional circular pointer. The retrograde needle is a one-way trip. When the graduation is indicated, the pointer returns to the beginning of the graduation momentarily and repeats New process From the appearance point of view, the most obvious feature of the retrograde table is the fan-shaped display area on the disk. For example, retrograde calendars distribute the numbers 1 to 31 in a fan angle close to 180 degrees. In addition, there are retrograde weeks Calendar, retrograde calendar and retrograde moon phase (this is relatively rare), even when the hours, minutes, seconds and other basic display functions can also be achieved by retrograde. Components from the retrograde movement within the machine point of view, in order to achieve the retrograde institutions must have the following two key components: 1. Retrograde cam This part played a role in the retrograde institutions, it can be said without it Reversal function can not be achieved. "Undertake" refers to the retrograde cam and retrograde function wheel (such as the calendar wheel or week calendar round) fixed as a whole, the change of day dial in the day round of the wheel drive function wheel, to provide power for the retrograde institutions. Kai refers to the reverse cam has been powered, it will start the core part of the reverse mechanism - cam lever mechanism. Lever with the rotation of the cam to set a good axis of rotation, and in the outer edge of the cam slowly lifted slowly, the curve of the outer edge of the cam characteristics from the lowest point to the end of the highest point, then with the match The lever will also rise from the lowest point to the highest point, and finally completed a fall (retrograde) process. 2. Rebound fan-shaped wheel The second is a reverse-fan-shaped wheel, this part is a combination of the above-mentioned cam lever mechanism and gear, the shape of the gear is not circular, but the interception of which part of the fan-shaped, which It is also an important feature of retrograde institutions. Reverse jump fan wheel connected reverse jump display wheel, reverse jump display wheel mounted reverse jump pointer; the third is the positioning mechanism, its role is to accurately locate the function wheel, so connected with the reverse cam located in the set position on. The fourth is the auxiliary rod spring, this part provides the elastic potential energy to ensure that the lever and the cam with the close fit, thus ensuring the reliability of the core part of the anti-jump mechanism. In addition the positioning mechanism also needs the elastic pressure provided by the rod spring to help locate. Working principle 1. Wobbling bounce cam and callback wheel control Reverse minute hand or second hand swirling cam clockwise direction, and the return wheel lever counterclockwise along the gear forward. Reverse the face plate on the second hand or minute hand, to the bottom of the fan-shaped scale. 2. The gears fall off after the completion of the time When the bounce cam travels to the vertex of the vortex shape and the bounce wheel reaches the bottom of the gear at this time, the bounce bounce cam will fall off from the bounce wheel lever. At this time face plate reverse second or minute hand has stepped to the bottom of the fan-shaped scale. 3. Rebound bouncing off the situation occurs after the return lever next to the hairspring Shi reaction force will be back to the bounce wheel and bounce the moment the bounce back to the original position. At this time, the face plate reverse jump second hand or minute hand will be attributed to the origin, and then the first step of the mechanical operation. In the retrograde form, the key is a bouncing cam. It is its existence, it can make the dial on the hands of each pointer instantly.