Knobs

When is it appropriate to use each of them? (10 points) a. Coarse adjustment knob: moves the stage up or down to quickly view the object in focus. b. Fine adjustment knob: Slowly moves the stage up or down to get a more precise and greater detail of the object/specimen.

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Hebei Huali Machinery Accessories Co., Ltd.

Description:

Hebei Huali Machinery Accessories Co., Ltd., established in 1986, has expanded constantly. Now we have about 100 employees and more than 200 sets of well-equipped facilities for thousands of kinds of accessories.

Now our company has established a high reputation for providing good quality products at competitive prices. We have been paying attention to advanced management, professional working teams and integrated production facilities.

As a result of high quality products and outstanding service, we have gain a global sales network reaching Australia, Russia, Japan, the UK, Germany, America and so on. Currently, 20% of our products are for export. Many customers give us good evaluation.

We have established long-term business relationships with many domestically famous companies.

Address:Nanhu, Bakelite Eastern Street, No. 8, Shenzhou, Hengshui City, Hebei Province. China

Jinan Sinopts Energy Technology Inc.

Description:

JINAN SINOPTS ENERGY TECHNOLOGY INC. is specialized in thermostat gas control valve, gas burner, ODS, pilot burner, thermocouple, ignitor, gas valve, gas regulators.

Our products are supplied to USA, CANADA, MEXICO, UK, KOREA, RUSSIA, UKRAIN, ITALY, SPAIN, EGYPT, PAKISTAN, INDONESIA, AUSTRALIA, BRAZIL, COLOMBIA, PERU, CHILE...

Our products are with CSA, UL, AGA,ROHS, CE, ISO9001,etc

Welcome to visit our factory. We hope we can cooperate with all of you sincerely and develop together on the basis of the quality first, customer obsession, honest treatment and mutual benefit.

Looking forward to start the cooperation with you!

Address:No. 1299, Xinluo Street, Jinan City, Shandong Province, China