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+86 513525609655

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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patent for invention

patent for invention

160 Psi Gauge

Geometry Calculators and Solvers

Geometry, Calculators and Solvers. Easy to use online ,geometry, calculators and solvers for various topics in ,geometry, such as ,calculate, area, volume, distance, points of intersection. These may be used to check homework answers, practice or explore with various values for deep understanding.

Tip Calculator - WebMath

Plots & ,Geometry,. Trig. & Calculus. Other Stuff. ,Tip, Calculator. This page will show you how to figure a ,tip, you should leave at a restaurant. Type the ,tip, amount (in percent) you would like to leave % Type the cost of your meal (before the ,tip,) $ Quick!

Trapezoid - MATH

Trapezoid, (Jump to Area of a ,Trapezoid, or Perimeter of a ,Trapezoid,) . A ,trapezoid, is a 4-sided flat shape with straight sides that has a pair of opposite sides parallel (marked with arrows below):

Plane Geometry Calculator - Symbolab

Free ,Plane Geometry calculator, - ,Calculate, area, perimeter, sides and angles for triangles, circles and squares step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.

Calculate the Volume of a Cylinder - dummies

To ,calculate the volume of a cylinder,, you need to know its height and the area of its base. Because a cylinder is a flat-top figure (a solid with two congruent, parallel bases), the base can be either the top or bottom. If you know a cylinder’s height and lateral area, but not its radius, […]

4 Ways to Calculate the Area of a Circle - wikiHow

8/4/2021, · A common problem in ,geometry, class is to have you ,calculate the area of a, circle based on provided information. You need to know the formula for finding the area of a circle, A=\pi r^2. The formula is simple and only needs the radius of...

Conical Frustum Calculator

Calculator online for a ,conical frustum,. ,Calculate, the unknown defining surface areas, heights, slant heights, circumferences, volumes and radii of a ,conical frustum, with any 3 known variables. Online calculators and formulas for a ,conical frustum, and other ,geometry, problems.

Grade 7 » Expressions & Equations | Common Core State ...

CCSS.Math.Content.7.EE.B.4.b Solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. For example: As a salesperson, you are paid $50 per week plus $3 per sale.

Polygons: Formula for Exterior Angles and Interior Angles ...

In order to find the measure of a single interior angle of a regular ,polygon, (a ,polygon, with sides of equal length and angles of equal measure) with n sides, we ,calculate, the sum interior anglesor $$ (\red n-2) \cdot 180 $$ and then divide that sum by the number of sides or $$ \red n$$. The Formula

Geometry — Python GDAL/OGR Cookbook 1.0 documentation

Calculate, the Length of a ,Geometry,¶ from osgeo import ogr wkt = "LINESTRING (1181866.263593049 615654.4222507705, 1205917.1207499576 623979.7189589312, 1227192.8790041457 643405.4112779726, 1224880.2965852122 665143.6860159477)" geom = ogr .

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City