Dongguan Zuolong Machinery Co., Ltd. has steadily grown to be a Chinese leading manufacturer of automatic cutting machine. In the future, Zuolong Machinery keeps carrying forward the enterprise spirit of 'morality, pragmatism, and innovation'. We devote ourselves to seek practical innovation in business management. We adopt the advanced management mode for modern enterprise and strive to become a leading company in the industry. Zuolong Machinery's cordless electric scissors is widely used in various industries and fields. Zuolong Machinery's sewing machine is various in types and styles to meet the different needs of customers. This product is thoroughly tested on various stages by our quality controllers as per the set industrial norms. It features groundbreaking technologies to ensure users' productivity is boosted. Our company's product serves a wide variety of applications in the field. It achieves high precision owing to the control of microcomputer and electronic eye. We pay great attention to business reputation. The products are diverse in type and reliable in quality. If you have any needs, feel free to contact us at any time.

I have more than 40 industrial sewing machines to be unemployed and 45 employees. because I live less now, I am looking for a processing partner! OK, so you only do the list of clear processing?Now the outgoing list is concentrated on the good order network. you can register your factory.Then you can apply.Good idea.Where is your factory?

SLR camera aperture, shutter speed and ISO relationship? Hello!Photography is an aesthetic art,We need to try a lot about the shooting method and effect.If you have a manual of this model at hand, there will be a lot of improvement.The following points learn from each other,ISO represents the standard of photosensitive speed on traditional film cameras,In the digital camera, the ISO definition is the same as the film,Represents the photosensitive speed of a CCD or CMOS photosensitive element,The higher the ISO value, the stronger the photosensitive ability of the photosensitive material.The Calculation Formula of ISO is S = 0.8/H (S sensitivity,H is exposure ).As we can see from the formula,The higher the sensitivity,The less exposure is required.The photosensitive speed of the film of ISO 200 is twice that of ISO 100,In other words, in the case of other conditions,The exposure time required for ISO 200 film is half of the ISO 100 film.In a digita